Chemistry Practice Tests 1

Chemistry Practice Test 1

Chemistry Practice Test 1 is designed to help students strengthen their understanding of key chemistry concepts, formulas, and reactions for competitive entry tests like MDCAT, NUMS, AKU, UET, ECAT, NTS, as well as FSC Board Exams. This test covers topics from physical chemistry, atomic structure, chemical bonding, and periodic table concepts, helping students improve accuracy and problem-solving skills.

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1 / 100

Category: Chemistry Ch 2 Class 12

The most dense element is:

NTS 2013
Chemistry
s and p Block Elements
Elimination Tool:

A) Li

B) K

C) Ca

D) Ba

2 / 100

Category: Chemistry

Q.110 Which of the following compound is an amide?

A. NH4CNO

B. NH2COCH2

C. NH2CONH2

D. NH2COONH2

3 / 100

Category: Chemistry Ch 11 Class 11

Solar energy is stored through solar panels in?

Dry cell

Magnesium cell

Nickel Cadmium battery

None of these

4 / 100

Category: Chemistry Ch 9 Class 11

Which one of the following statements is incorrect?

NUMS 2018
Chemistry
Solution and Colloids
Elimination Tool:

A) A solution freezes at a lower temperature than the pure solvent

B) A solution boils at a higher temperature than the pure solvent.

C) 0.1 M NaCl solution and 0.1 m sugar solution have the same boiling point

D) Osmosis cannot take place without a semi-permeable membrane.

5 / 100

Category: Chemistry Ch 7 Class 11

The thermal energy at constant pressure is called:

PMC 2020
Chemistry
Thermochemistry
Elimination Tool:

A) Enthalpy

B) Internal Energy

C) Heat capacity

D) Work done

6 / 100

Category: Chemistry Ch 15 Class 12

Free Nitrogen and Oxygen are present in atmosphere but they do not react with each other under normal conditions because:

UHS 2019
Chemistry
Environmental Chemistry
Elimination Tool:

A) Nitrogen requires a catalyst

B) Oxygen is very inactive

C) Oxygen is found in less concentration

D) Nitrogen is highly inactive gas

7 / 100

Category: Chemistry Ch 13 Class 12

Lysine is a
amino acid

Acidic

Basic

Neutral

Amphoteric

8 / 100

Category: Chemistry Ch 9 Class 11

The temperature at which one crystalline form changes to other is called ___ temperature

PMC Sample 3
Chemistry
Solution and Colloids
Elimination Tool:

A) critical

B) absolute

C) transition

D) none of these

9 / 100

Category: Chemistry

Which of the following solids is an example of a substance with a macromolecular structure?

NUMS Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids

A) Aluminium chloride

B) Ice

C) Magnesium oxide

D) Silicon (IV) oxide

10 / 100

Category: Chemistry Ch 15 Class 12

The macronutrients for healthy plant growth are required in per acre.

5g — 200 g

5kg — 200 kg

5g — 2000kg

None of these

11 / 100

Category: Chemistry Ch 1 Class 12

The chemical formula of Tincal is:

NTS 2019
Chemistry
Periodicity in Elements
Elimination Tool:

C) Na2B4O7 . 10 H2O

A) Na2B2O7.10H2O

B) Na2B4O7 . H2O

D) Na2B2O5 . 10 H2O

12 / 100

Category: Chemistry

Which of the following does not give iodoform test?

NUMS Mock 1
Chemistry
Aldehydes and Ketones

A) Ethanol

B) Ethanal

C) Acetophenone

D) Benzophenone

13 / 100

Category: Chemistry Ch 10 Class 12

The only o, p−directing group which is deactivating in nature is:

NTS 2014
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) -NH2

B) -OH

C) -X (halogens)

D) -R (alkyl groups)

14 / 100

Category: Chemistry

Q.81 Conjugate base of a weak acid is

A. Weak

B. Strong

C.Unstable

D. None of these

15 / 100

Category: Chemistry Ch 4 Class 11

Water has maximum density at:

NUMS 2019 Reconduct
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) -4 C

B) – 1 C

C) 0 C

D) 4 C

16 / 100

Category: Chemistry Ch 16 Class 12

Ozone absorbs

Radioactive radiations

All of these

17 / 100

Category: Chemistry

Which of the following is the percentage of the original quantity of a radioactive material left after five half-lives approximately.

NUMS Mock 4
Physics
Nuclear Physics

A) 3%

B) 6.25%

C) 10%

D) 20%

18 / 100

Category: Chemistry Ch 4 Class 12

The formula of Chile Peter salt is

NaCI

NaNO3

NaOH

NaNO4

19 / 100

Category: Chemistry Ch 12 Class 12

Consider the following reaction:

R―CHO + 2[Ag(NH3)2]OH → R―COONH4 + 2Ag + 2NH3 + H2O This reaction represents one of the following tests.

PreMedPK MDCAT Mock 1
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Fehling test

B) Benedict test

C) Ninhydrin test

D) Tollens test

20 / 100

Category: Chemistry

Strongest acid among the following is:

NUMS Mock 3
Chemistry
Carboxylic Acids and its Derivatives

A) HCOOH

B) CH3COOH

C) (CH3)2 CHCOOH

D) (CH3)3CCOOH

21 / 100

Category: Chemistry

Q.146 a liquid crystalline state exist between two temperatures I-e melting temperature and temperature

A. Boiling

B. Freezing

C. Clearing

D. All of these

22 / 100

Category: Chemistry

Q.126 What is the coordination number of Pt in [PtCINO2)NH3)4]

A. 2

B. 4

C. 6

D. 7

23 / 100

Category: Chemistry Ch 1 Class 11

Solution contains 85.5 g of sucrose (C12H22O11) in 250 cm3. What is its molarity?

UHS 2019
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 1 M

B) 0.5 M

C) 0.25 M

D) 2 M

24 / 100

Category: Chemistry Ch 8 Class 11

25 / 100

Category: Chemistry

Q.116 Distillation of calcium acetate and calcium formate produces?

A. Formaldehyde

B. Acetaldehyde

C. Acetone

D. None of these

26 / 100

Category: Chemistry

The radiations from a naturally occurring radioactive substance, as seen after deflection by a magnetic field in one direction, are:

NUMS Mock 2
Chemistry
Analytical Chemistry

A) Definitely Alpha-rays

B) Definitely Beta-rays

C) Both Alpha and Beta rays

D) Either Alpha or Beta rays

27 / 100

Category: Chemistry Ch 2 Class 12

Melting point of Group I-A elements is than Group II-A elements

Higher

lower

Same

Varies

28 / 100

Category: Chemistry Ch 11 Class 11

Which of the following statements best describes how a catalyst works

NUMS 2018
Chemistry
Reaction Kinetics
Elimination Tool:

A) A catalyst changes the potential energies of the reactants and products

B) A catalyst decreases the temperature of the reaction which leads to a faster rate

C) A catalyst lowers the activation energy barrier for the reaction by providing a different reaction mechanism.

D) A catalyst raises the activation energy for the reaction which produces a faster rate

29 / 100

Category: Chemistry Ch 1 Class 12

Who started the development of the First Periodic Table?

) Antoine Bequerel

Dimitri Mendeleev

Robert Boyle

John Newlands

30 / 100

Category: Chemistry Ch 1 Class 11

Chemical equations do not tell about the ______ because of certain limitations.

PMC Practice 29
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) rate of reaction

B) pressure

C) conditions

D) Both A & C

31 / 100

Category: Chemistry Ch 7 Class 12

Example of a nucleophile is:

NUMS 2019 Cancelled
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) BF3

B) AlCl3

C) SO3

D) CN

32 / 100

Category: Chemistry Ch 1 Class 11

Glucose(C6H12O6) is the most important nutrient in a cell for generating chemical potential energy, what is the mass percent of carbon in 1.5g of sample?

PMC Practice 24
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 33%

B) 40%

C) 53.3%

D) 6.67%

33 / 100

Category: Chemistry Ch 8 Class 12

How many chain isomers are shown by C5H12?

PreMedPK MDCAT Mock 4
Chemistry
Hydrocarbons
Elimination Tool:

A) 5

B) 4

C) 3

D) 2

34 / 100

Category: Chemistry Ch 4 Class 11

How many atmospheres correspond to 1050 torr?

NTS 2019
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 1.050

B) 10.38

C) 1.380

D) 2.760

35 / 100

Category: Chemistry Ch 2 Class 12

7) Gypsum supplies to soil

Carbon

Sulpuhr

Nitrogen

Calcium

Both b and d

36 / 100

Category: Chemistry Ch 11 Class 12

Which of the following process is not use for the preparation of alcohol?

Reaction of alkyl halide with Grignard reagent

Hydration of alkene

Reaction of Grignard reagent from aldehyde

From water gas

37 / 100

Category: Chemistry Ch 10 Class 12

Which of the following is true about SN2 reactions:

They follow a two-step bimolecular mechanism

they do not undergo rearrangements

Methyl and primary substrates react faster than secondary and tertiary substrates

the rate of the reactions depend on both the substrate and nucleophile concentration

38 / 100

Category: Chemistry Ch 1 Class 11

If 9.8 g of sulfuric acid is dissolved in an excess quantity of water, it will yield _______ moles of hydrogen ion ( H+) and _______ mole of sulphate ions (SO4 -2).

PMC Practice 22
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 0.1, 0.2

B) 0.1, 0.3

C) 0.2, 0.4

D) 0.2, 0.1

39 / 100

Category: Chemistry Ch 7 Class 12

Example of metamerism is:

Dimethyl ether and methyl alcohol

1-Butene and 2-Butene

Diethyl ether and methyl n-propyl ether

n-pentane and iso-pentane

40 / 100

Category: Chemistry

Q.87 O2-2 + 2H2O → 2H2O2, In this reaction O2-2 act as

A. Oxidizing agent

B. Reducing agent

C. Dehydrating agent

D. Drying agent

41 / 100

Category: Chemistry Ch 14 Class 12

Which of following Is poison for catalyst:

Sulphur

Arsenic

Al203

Both a and b

42 / 100

Category: Chemistry Ch 10 Class 11

Only those substances are written in Ion Electron Method:

PMC Sample 1
Chemistry
Electrochemistry
Elimination Tool:

A) Which are oxidizing

B) Which are reducing

C) Which are not taking part in reaction

D) Which will take part in reaction

43 / 100

Category: Chemistry Ch 7 Class 11

For a chemical reaction A -> B, the threshold energy of the reaction is 37 kJ/mole. The average internal energy of A is 12 kJ/Mole. What will be the activation energy of A?

NTS 2016 SMBBMC
Chemistry
Thermochemistry
Elimination Tool:

A) 43 K.J/Mole

B) 37 K.J/Mole

C) 25 KJ/Mole

D) 19 K.J/Mole

44 / 100

Category: Chemistry Ch 2 Class 12

The basic character of alkali metal oxides:

Decreases down the group

Remains same

Increases down the group

None of these

45 / 100

Category: Chemistry Ch 12 Class 12

Ketone can be prepared by the oxidation of:

Primary alcohol

Secondary alcohol

Tertiary alcohol

None of these

46 / 100

Category: Chemistry Ch 8 Class 12

Molecular Formula of Propane is:

C3H8

C4H10

C6H12

C7H14

47 / 100

Category: Chemistry Ch 6 Class 11

H2O has a higher boiling point than HF because:

NTS 2015 DUHS and JSMU
Chemistry
Chemical Bonding
Elimination Tool:

A) H2O is more polar than HF

B) H2O can form more hydrogen bonds

C) H2O has higher molecular weight

D) H2O has more atoms

48 / 100

Category: Chemistry Ch 11 Class 12

Phenol reacts with calcium carbonate and evolve ________?

PMC Practice 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) H2 gas

B) CO2 gas

C) O2

D) None of these

49 / 100

Category: Chemistry Ch 2 Class 12

Point out the property which is not characteristic of alkali metal:

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) Low electronegativity

B) Low melting point

C) Their ions are isoelectronic with noble gas

D) High ionization energy

50 / 100

Category: Chemistry

To avoid the formation of toxic compounds with chlorine, which substance is used for disinfecting water?

NUMS Mock 1
Chemistry
s and p Block Elements

A) KMnO4

B) Chloramines

C) O3

D) Alums

51 / 100

Category: Chemistry Ch 6 Class 12

Which of following transition complex will have most stable square planar structure?

(MnCI4)2-

PCI5

Cu(NI13)4)2-

(Co(N143)6)2-

52 / 100

Category: Chemistry

Q.40 Octane number of n-heptane is____________?

A. 0

B. 100

C.40

D. 98

53 / 100

Category: Chemistry Ch 9 Class 11

Which statement is correct?

PMC Sample 3
Chemistry
Solution and Colloids
Elimination Tool:

A) Amorphous solids have sharp melting Points

B) Amorphous solids have zero percent arranged

C) Amorphous Solids have a range of melting points

D) Amorphous solids have definite heat of fusion

54 / 100

Category: Chemistry Ch 11 Class 12

The product formed by acid catalysed hydration of 2 – phenyl propene is:

NUMS 2018
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) 3 – phenyl – 2 – propanol

B) 2 – phenyl – 2 – propanol

C) 1 – phenyl – 1 – propanol

D) 1 – phenyl – 2- propanol

55 / 100

Category: Chemistry Ch 14 Class 12

Which of the following is NOT a “raw material” used in the Solvay process?

NTS 2016 SMBBMC
Chemistry
Macromolecules
Elimination Tool:

A) Sodium Chloride

B) Sodium Carbonate

C) Limestone

D) Ammonia gas

56 / 100

Category: Chemistry Ch 8 Class 11

For which one of the following gaseous equilibrium will an increase in pressure increase the yield of the product:

NTS 2014
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 2HI ⇌ H2 + I2

B) 2SO2 + O2 ⇌ 2SO3

C) H2O + CO ⇌ H2+ CO2

D) H2 + Br2 ⇌ 2HBr

57 / 100

Category: Chemistry Ch 13 Class 12

Hydrolysis of acyl chloride results in the formation of:

PMC 2020
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Acid anhydride

B) Carboxylic acid

C) Amides

D) Esters

58 / 100

Category: Chemistry Ch 11 Class 11

The rate of a reaction in general can be increased by all the following factors except:

NUMS 2015
Chemistry
Reaction Kinetics
Elimination Tool:

A) By increasing temperature

B) Using a suitable catalyst

C) By an increase in activation energy

D) By increasing conc. Of reactants

59 / 100

Category: Chemistry Ch 3 Class 11

The Vander Waal’s constant ‘If of a gas Is four times the:

Actual volume

Volume of vessel

free volume

Volume

60 / 100

Category: Chemistry Ch 10 Class 11

The process in which electric current is used to carry out a non-spontaneous redox reaction is called:

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

A) Electrolyte

B) Metallic conductor

C) Electrolysis

D) None of the above

61 / 100

Category: Chemistry Ch 15 Class 12

Which one of the following is NOT an advantage of synthetic fiber?

NTS 2016 SMBBMC
Chemistry
Environmental Chemistry
Elimination Tool:

B) Ease of ironing

C) Softness

D) Heat retention

E) Absorbs the sweat

62 / 100

Category: Chemistry Ch 10 Class 12

Which of the following bond has highest bond energy value?

PMC Sample 1
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) C-I

B) C-H

C) C-Cl

D) C-F

63 / 100

Category: Chemistry Ch 3 Class 11

What assumptions are made in the Kinetic Theory about an ideal gas?

There are no forces of attraction between molecules
the molecules are in a state of continuous random motion
the size of the molecule is negligible
NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

B) II ONLY

C) I AND II ONLY

D) II AND III ONLY

E) I, II, III

64 / 100

Category: Chemistry Ch 1 Class 11

The efficiency of a chemical reactions can be checked by calculating ________ yield.

PMC Practice 30
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Percentage

B) Actual

C) Theoretical

D) All of these options are correct

65 / 100

Category: Chemistry Ch 15 Class 12

The substance for the separation of isotopes is firstly converted into the

UHS 2016
Chemistry
Environmental Chemistry
Elimination Tool:

A) Neutral state

B) Free state

C) Vapour state

D) Charged state

66 / 100

Category: Chemistry Ch 4 Class 11

The necessary condition for Boyle’s law to hold is that the process must be ______.

NTS 2019
Physics
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Isobaric

B) Adiabatic

C) Isochoric

D) Isothermal

67 / 100

Category: Chemistry Ch 9 Class 12

Benzene with nitrating mixture gives?

Nitro benzene

Nitro Toluene

Nitro methane

Acrylonitrile

68 / 100

Category: Chemistry Ch 3 Class 12

The transition element which does not show variable valency is:

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

A) Cu

B) Sc

C) Zn

D) Cr

69 / 100

Category: Chemistry Ch 8 Class 12

Which among the following gives ppt. with terminal alkynyl hydrogen?

PreMedPK MDCAT Mock 4
Hydrocarbons
Elimination Tool:

A) Ammonical silver nitrate

B) Ammoniacal cuprous chloride

C) Both a and b

D) None of these

70 / 100

Category: Chemistry

Q.164 Reaction of vinyl acetylene with HCI produces?

A. Polyvinyl polymer

B. Polyvinyl Acetylene

D. Chloroprene

C. Neoprene

71 / 100

Category: Chemistry Ch 4 Class 12

Which of the following properties are associated with transition metals?

PMC Practice 6
Chemistry
d and f Block Elements
Elimination Tool:

A) Color

B) Complex formation

C) Use as catalyst

D) All of these

72 / 100

Category: Chemistry Ch 7 Class 12

Which one of them is used as an automobile antifreeze

PMC Sample 1
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Ethanol

B) ethene

C) ethylene glycol

D) propene

73 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is an insecticide?

PreMedPK MDCAT Mock 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) DDT

B) Teflon

C) Iodoform

D) Dynamite

74 / 100

Category: Chemistry Ch 11 Class 11

Activated complex is formed due to

PMC Sample 3
Chemistry
Reaction Kinetics
Elimination Tool:

A) Pressure

B) Temperature

C) Effective collision

D) Ineffective collision

75 / 100

Category: Chemistry Ch 1 Class 12

Covalent hydrides are:

Gaseous

Solid

Liquids

Both a & c

76 / 100

Category: Chemistry Ch 1 Class 12

Variable valency is shown by which of the following elements?

77 / 100

Category: Chemistry Ch 3 Class 12

If a person is injected by shot of a gun and all the bullets are not removed from his body, it may cause poisoning by:

NUMS 2017
Chemistry
d and f Block Elements
Elimination Tool:

A) Hg

B) Pb

C) Fe

D) As

78 / 100

Category: Chemistry

Hydrolysis of acyl chloride results in the formation of:

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

A) Acid anhydride

B) Carboxylic acid

C) Amides

D) Esters

79 / 100

Category: Chemistry Ch 10 Class 11

Which of the methods to prevent corrosion?

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

A) Alloying two metals

B) Coating the surface with less reactive metal

C) Painting the surface with a dye

D) All

80 / 100

Category: Chemistry Ch 5 Class 12

Which halogen is used as a refrigerant?

81 / 100

Category: Chemistry

Q.134 Why phenol is more acidic than Alcohol?

A. Due to presence oI resonance in phenol

B. Due to absence of resonance of in alcohol

C. Both A and B

D. Because in phenol His attach to O

82 / 100

Category: Chemistry Ch 14 Class 12

) Plastic cannot be recycled by

Depolymerization

Transformation

Deformation

None of these

83 / 100

Category: Chemistry

Q.165 Carboxylic acids are formed by the hydrolysis of_

A. Ester Nitriles

B. Nitriles, amines

C. Alkenes, Alkynes

D. Esters, Alcohols

84 / 100

Category: Chemistry Ch 15 Class 12

Which one of the following was used as one of the earliest antiseptic and disinfectants?

UHS 2015
Chemistry
Industrial Chemistry
Elimination Tool:

A) Phenol

B) Ether

C) Ethanol

D) Methanol

85 / 100

Category: Chemistry Ch 7 Class 12

78 g of a hydrocarbon occupies 22.414 ml of volume at S.T.P. The empirical formula of the hydrocarbon is CH. The molecular formula of this hydrocarbon is:

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Stoichiometry
Analytical Chemistry
Elimination Tool:

A) C2H4

B) C6H6

C) C8H8

D) C4H4

86 / 100

Category: Chemistry Ch 1 Class 12

According to which phenomenon, “the properties of elements are the periodic function of their atomic number.”

NTS 2012
Chemistry
Periodicity in Elements
Elimination Tool:

A) Mendeleev's periodic law

C) Doberenier's triads

D) Lothar Meyer’s classification

E) Modern periodic law

87 / 100

Category: Chemistry Ch 5 Class 11

The amount of energy released by absorbing an electron in the valence shell is:

NTS 2013
Chemistry
Atomic Structure
Elimination Tool:

A) Ionization Energy

B) Electron Affinity

C) Electronegativity

D) Atomic Radius

88 / 100

Category: Chemistry

Solid CO2 dry ice has a structure just like:

NUMS Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids

A) Diamond

B) Sulphur

C) Graphite

D) None of the above options are correct

89 / 100

Category: Chemistry Ch 13 Class 12

) Which of the following is not a use of acetic acid?

As a coagulant for latex in rubber industry

manufacture of pickles

Used in silvering of mirrors

None of these

90 / 100

Category: Chemistry Ch 6 Class 12

Higher Transition elements are:

d-type

f-type

Both a and b

None of these

91 / 100

Category: Chemistry Ch 8 Class 12

In Alkenes the Carbon atoms are connected to each other by a

Single bond

Double bond

Triple bond

Not connected

92 / 100

Category: Chemistry Ch 5 Class 12

What is the chief ore of fluorine?

Cryolite

Fluorspar

Dolomite

Both a and b

93 / 100

Category: Chemistry Ch 8 Class 11

Which of the following has the highest value of pKa?

NUMS 2019 Reconduct
Chemistry
Chemical Equilibrium
Elimination Tool:

A) CH3- CH2OH

B) CI – CH2- CH2OH

C) F3C – CH2- OH

D) CH3- CH(CH3) – CH2OH

94 / 100

Category: Chemistry Ch 2 Class 11

What volume in dm3 of KCl is obtained in the following equation if the volume of KCIO3 at the beginning of the reaction is 20 dm3?

2KClO3 -> 2KCl + 3O2

NTS 2016 DUHS & JSMU
Chemistry
Stoichiometry
Elimination Tool:

B) 74.5 dm3

C) 50 dm3

D) 40 dm3

E) 20 dm3

95 / 100

Category: Chemistry Ch 10 Class 12

What substrates are required to add a NO2 group to benzene?

NTS 2013
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Concentrated HNO3/Concentrated H2SO4/100˚C

B) Concentrated HNO3/Concentrated H2SO4/50˚C

C) Concentrated HNO3/50˚C

D) Concentrated HNO3/100˚C

96 / 100

Category: Chemistry Ch 11 Class 12

Which of the following alcohol does not get oxidized when it reacts with K₂Cr₂O₇/H₂SO₄?

PreMedPK MDCAT Mock 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) CH₃C(CH₃)₂OH

B) CH₃CH(CH₃)OH

C) CH₃OH

D) C₂H₅OH

97 / 100

Category: Chemistry

Q.85 The general name of ore CasO4. H20 is

A. Gypsum

B. Dolomite

C. Calcite

D. Plaster of Paris

98 / 100

Category: Chemistry

Q.80 According to Bohr the orbits in which electrons revolve around the nucleus are

A. Oval

B. Elliptical

C. Cylindrical

D. Circular

99 / 100

Category: Chemistry Ch 6 Class 11

Which of the following molecules have zero Dipole moments?

NTS 2011
Chemistry
Chemical Bonding
Elimination Tool:

A) CCl4

B) CO2

C) Cl2

D) C6H6

E) All of the above

100 / 100

Category: Chemistry Ch 1 Class 12

What is the charge on a hydrogen ion?

— 1

-2

Your score is

The average score is 51%

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