Chemistry Practice Tests 5 - PLS Academy

Chemistry Practice Test 5

Chemistry Practice Test 5 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 thermodynamics, chemical equilibrium, coordination compounds, and practical applications, helping students improve accuracy and problem-solving skills.

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Chemistry Practice Test 5

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1 / 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

2 / 100

Category: Chemistry Ch 7 Class 12

Which one is NOT a nucleophile?

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

A) BH3

B) NH3

C) -NH2

D) -OH

3 / 100

Category: Chemistry

Q.11 Acetic acid is soluble in;

A. Water, Alcohol, Ether

B. HCL, HB, HI

C. Bromine water

D. All of these

4 / 100

Category: Chemistry Ch 13 Class 12

Which of the following reagents will reduce butanoic acid to butanol?

NUMS 2016
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) LiAlH4

B) LiAlH4.H2O

C) Mg(BH4)2

D) All of the above

5 / 100

Category: Chemistry Ch 8 Class 12

Which of the following compounds possesses a single covalent bond between carbon and hydrogen?

PreMedPK MDCAT Mock 5
Chemistry
Hydrocarbons
Elimination Tool:

A) CH4

B) C2H2

C) C2H4

D) All of the above

6 / 100

Category: Chemistry Ch 10 Class 12

Which of the following is not a nucleophile?

NTS 2010
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) HO-

B) NH3

C) BF3

D) CN-

7 / 100

Category: Chemistry Ch 15 Class 12

What is the catalyst used in the Haber process?

H₂ + N₂ ⟶ NH₃

PMC 2021 Tested
Chemistry
Industrial Chemistry
Elimination Tool:

A) Chlorine

B) Iron

C) Magnesium

D) Calcium

8 / 100

Category: Chemistry Ch 2 Class 11

If during crystallization more solute could not be dissolved in the solution, the solution is:

Saturated solution

Dilute solution

Concentrated solution

None of these

9 / 100

Category: Chemistry Ch 4 Class 11

Which of the following is not a property of liquid?

Random movement of molecule

Molecules have the same position with respect to one another

Takes shape of the container

Are less common than solids and gases

10 / 100

Category: Chemistry

The influence of temperature on reaction rate is predicted by:

NUMS Mock 1
Chemistry
Reaction Kinetics

A) Free energy change

B) Van Der Waals equation

C) Arrhenius equation

D) Kinetic equation

11 / 100

Category: Chemistry Ch 14 Class 12

_____ is a macromolecule found in blood.

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) Hemoglobin

B) Plasma

C) Creatinine

D) Plasmids

12 / 100

Category: Chemistry Ch 1 Class 11

4 gram atoms of carbon has a mass of:

13 / 100

Category: Chemistry Ch 13 Class 12

The reaction CHCH + H2O + 3(O) shows the formation of ________.

NUMS 2018
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Acetic acid

B) Picric acid

C) Oxalic acid

D) Formic acid

14 / 100

Category: Chemistry

Q.72 Isopentane is an example of_

A. Aromatic compounds

B. Branched chain compound

C. Alicyclic compounds

D. None of these

15 / 100

Category: Chemistry Ch 10 Class 12

Ethyl iodide and n-propyl iodide are allowed to undergo Wurtz reaction. The alkane which will not be obtained in this reaction is:

NUMS 2016
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) butane

B) propane

C) pentane

D) hexane

16 / 100

Category: Chemistry

Q.71 Glycerol can also be termed as

A.1-butanol

B. 1,2,3-propanetrio

C.2-methyl – propanol

D. Isobutyl alcohol

17 / 100

Category: Chemistry Ch 4 Class 11

Which of the following shows H-bonding?

PMC Sample 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) CH₃CH₂OH

B) CH₃-O-CH₃

C) CH₃CH₂Cl

D) All of these

18 / 100

Category: Chemistry Ch 7 Class 12

Which is not a meta directing group:

NUMS 2017
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) -NO2

B) -COOH

C) -NH2

D) -COR

19 / 100

Category: Chemistry

Which of the following molecules has the largest number of shared pairs of electrons?

NUMS Mock 4
Chemistry
Chemical Bonding

A) C2H4

B) N2

C) CO2

D) NH3

20 / 100

Category: Chemistry Ch 1 Class 12

Hydration energy increases with

With high charge density

Distance between nucleus and outer most electron

Size of the atom

None of these

21 / 100

Category: Chemistry Ch 9 Class 12

Which of the following method is used to prepare Ethylene glycol from ethene?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

A) Dehydration

B) Hydroxylation

C) Hydration

D) Luca's test

22 / 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

23 / 100

Category: Chemistry

Q.178 Which type of bonds are break during cracking?

A. C-C

B.C-H

C. Both C-C and C-H

D. C-O

24 / 100

Category: Chemistry Ch 10 Class 11

Definition of electrode potential is?

Tendency of metals to form ions when dissolved in 1M solution of its own solution

Tendency of ions to form atoms when dissolved in 1M solution of its metal

Both a and b

None of these

25 / 100

Category: Chemistry Ch 10 Class 11

The overall positive reduction potential value predicts that process is:

NUMS 2015
Chemistry
Electrochemistry
Elimination Tool:

A) Not feasible

B) Feasible

C) Impossible

D) No indication

26 / 100

Category: Chemistry Ch 12 Class 12

Identify the common name of the following compound:

CH₃CH₂COCH₂OH

PreMedPK MDCAT Mock 1
Chemistry
Aldehydes and Ketones
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Α-hydroxy-ethyl methyl aldehyde

B) Α-hydroxy-ethyl methyl ketone

C) Β-hydroxy-ethyl methyl ketone

D) Β-hydroxy-ethyl methyl ketone

27 / 100

Category: Chemistry Ch 6 Class 11

Geometry of SF6 is:

Octahedral

Hexagonal

Decahedral

Trigonal

28 / 100

Category: Chemistry Ch 12 Class 12

In which of the following reagent Cupric citrate complex is formed?

PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Fehling's solution test

B) Benedict's solution test

C) Silver mirror test

D) sodium nitroprusside test

29 / 100

Category: Chemistry Ch 16 Class 12

Which one is correct about Incineration of Industrial waste?

Ash buried in sea water.

Secondary chamber is maintained at temperature range 650 C to 1100 C

Smoke stacks emit oxides of nitrogen and carbo

Solids wastes are the significant sources of dioxins

30 / 100

Category: Chemistry Ch 2 Class 11

22.4 dm3 of volume of each H2 and O2 are sparked to produce water vapours (considered as ideal gas) on completion of reaction. What is the decrease in the volume of the vessel?

NTS 2016 SMBBMC
Chemistry
Stoichiometry
Elimination Tool:

A) 44 dm3

B) 22.4 dm3

C) 33.6 dm3

D) 11.2 dm3

31 / 100

Category: Chemistry Ch 2 Class 11

The efficiency of chemical reaction can be expressed as:

PMC 2020
Chemistry
Stoichiometry
Elimination Tool:

A) Theoretical yield

B) Actual yield

C) % yield

D) Maximum yield

32 / 100

Category: Chemistry Ch 10 Class 12

Grignard’s reagent on hydrolysis give

) Lower hydrocarbon

Higher hydrocarbon

Alcohols

Alkyl halides

33 / 100

Category: Chemistry Ch 1 Class 11

What is the percentage by mass of Nitrogen in NH4(NO3)?

40%

50%

35%

30%

34 / 100

Category: Chemistry

Q.104 The maximum number of electrons accommodated in a shell or energy level is calculated by formula

A.n^2

B. 2n^2

C. 2n

D.3n

35 / 100

Category: Chemistry Ch 11 Class 12

) Melting point of methyl alcohol is:

-97 C

-89 C

-100 C

-23 C

36 / 100

Category: Chemistry Ch 11 Class 12

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

PMC Sample 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) CH₃C(CH₃)₂OH

B) CH₃CH(CH₃)OH

C) CH₃OH

D) C₂H₅OH

37 / 100

Category: Chemistry Ch 2 Class 12

For Alkali Metals, decrease in the ionization potential is because of the increasing:

Charge on the nucleus

) Distance between nucleus and outer most electron

Size of the atom

None of these

38 / 100

Category: Chemistry Ch 7 Class 11

The enthalpy change accompanying the gain of an electron by a neutral gaseous atom to form a negative ion is called:

NTS 2010
Chemistry
Thermochemistry
Elimination Tool:

A) Ionization potential

B) Electronegativity

C) Electron affinity

D) Lattice energy

39 / 100

Category: Chemistry Ch 7 Class 11

Two rocket fuels below are determined by their high performance.

N2H4(l) + O2(g) -> N2(g) + 2H2O(l) ΔH= -632 kJ

H2 (g) + ½ O2(g) -> H2O(l) ΔH = -286 kJ

If equal masses of hydrazine and hydrogen are used, which of the following has better performance?

NUMS 2019 Cancelled
Chemistry
Thermochemistry
Elimination Tool:

A) Hydrazine

B) Both have equal enthalpy of formation

C) Hydrogen gas

D) Cannot be compared

40 / 100

Category: Chemistry Ch 4 Class 11

The nature of Binding Force in Ionic Crystals is

PMC Sample 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Magnetic

B) Repulsive

C) Electrostatic

D) Weak

41 / 100

Category: Chemistry Ch 8 Class 11

For a gaseous reaction, the increase in pressure will shift the equilibrium in a direction:

NUMS 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Decreased concentration

B) Increased concentration

C) Decreased volume

D) Increased volume

42 / 100

Category: Chemistry

Q.20 The order of reaction for which hall-life is inversely proportional to the concentration of reaction is

A. Second Order

B. Zero Order

C. First Order

D. Third Order

43 / 100

Category: Chemistry Ch 14 Class 12

How many types of polymerization reactions are there?

PMC 2021 Tested
Chemistry
Macromolecules
Elimination Tool:

A) 4

B) 2

C) 6

D) 3

44 / 100

Category: Chemistry

The reaction: Cl2 + H2O→ HCl + HOCl is an example of:

NUMS Mock 4
Chemistry
Electrochemistry

A) Oxidation reaction

B) Reduction reaction

C) Auto-oxidation and reduction reaction

D) Substitution reaction

45 / 100

Category: Chemistry

Q.153 The properties of liquid crystals are intermediate b/w crystals and

A. Anisotropic liquids

B. Nematic liquids

C Isotropic liquids

D. Liquids

46 / 100

Category: Chemistry Ch 11 Class 12

Phenol is a(n) ________ liquid?

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

A) Dense

B) Hard

C) Deliquescent

D) Intermittent

47 / 100

Category: Chemistry

Q.105 Ethane is obtained by electrolyzing-

A. Potassium format

B. Potassium succinate

C. Potassium acetate

D. Potassium fumarate

48 / 100

Category: Chemistry Ch 14 Class 12

Fe’ 2 + is a cofactor of:

Chrome oxidase

Glucose 6-phosphatase

Carbonic anhydrase

Both a and b

49 / 100

Category: Chemistry

At Equilibrium, which of the following reactions is not affected by pressure?

NUMS Mock 3
Chemistry
Chemical Equilibrium

A) A

B) B

C) C

D) D

50 / 100

Category: Chemistry Ch 2 Class 12

7) Gypsum supplies to soil

Carbon

Sulpuhr

Nitrogen

Calcium

Both b and d

51 / 100

Category: Chemistry Ch 12 Class 12

Which one of the following is used in making lozenges?

Methanol

Acetaldehyde

Acetone

Formaldehyde

52 / 100

Category: Chemistry Ch 8 Class 12

KOLBE’s method is used to prepare?

Ethane

Ethene

Ethyne

All of these

53 / 100

Category: Chemistry

Tincture of Iodine is:

NUMS Mock 3
Chemistry
Aldehydes and Ketones

A) In alcohol with CHI3

B) In alcohol with I2

C) In ethanol and water mixture with KI and I2

D) In KI and CH3I

54 / 100

Category: Chemistry Ch 9 Class 12

Stability of benzene is due to

Alternate double bonds

Electrons' cloud

Double bonds

Delocalization of electrons

55 / 100

Category: Chemistry

Q.118 Most of the enzyme reactions are______________?

A. Reversible

B. Irreversible

C. Condensation

D. Oxidation

56 / 100

Category: Chemistry

Q.125 Standard electrode Potential is denoted by

A. E

B. E-1

C. E0

D.d

57 / 100

Category: Chemistry Ch 13 Class 12

Which of the following acid solutions is used for the seasoning of food?

PMC Practice 3
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Butyric acid

B) Phthalic acid

C) Lactic acid

D) Acetic acid

58 / 100

Category: Chemistry Ch 7 Class 11

Which one of the following equations correctly defines the enthalpy changes of formation of carbon monoxide:

NUMS 2018
Chemistry
Thermochemistry
Elimination Tool:

A) C(s) + 1/2 O2 -> CO(g)

B) C(g) + 1/2 O2-> CO(g)

C) C(s) + O(g)-> CO(g)

D) C(g) + CO2(g) -> 2CO(g)

59 / 100

Category: Chemistry Ch 2 Class 11

The empirical formula of Glucose C6H12O6 is:

PMC 2020
Chemistry
Stoichiometry
Elimination Tool:

A) C6H12O6

B) CHO

C) CH2O

D) CH2O2

60 / 100

Category: Chemistry Ch 11 Class 11

For a reaction 2A + 3B -> C
The rate law expression is given by rate = K [A]1[B]2. The order of the reaction with respect to A, B and overall order of reaction are:

NUMS 2015
Chemistry
Reaction Kinetics
Elimination Tool:

A) 2, 1, 3

B) 1, 2, 3

C) 0, 1, 2

D) 2, 1, 0

61 / 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

62 / 100

Category: Chemistry Ch 13 Class 12

The same carboxylic acid is obtained either by hydrolysis of a nitrite X or by oxidation of alcohol Y. Which pair could be X and Y? X Y

63 / 100

Category: Chemistry Ch 7 Class 11

Which of following is NOT state variable of thermodynamics?

Entropy

Internal energy

Volume

Density

64 / 100

Category: Chemistry

The substance which conducts electricity by the movement of ions:

NUMS Mock 3
Chemistry
Chemical Bonding

A) Graphite

B) Copper

C) Molten NaCl

D) Mercury

65 / 100

Category: Chemistry

The valency of an atom will be one if there is a sufficient gap between first and second ____.

NUMS Mock 1
Chemistry
Chemical Bonding

A) Electron affinity

B) Ionization energy

C) Electronegativity

D) None of these options are correct

66 / 100

Category: Chemistry Ch 15 Class 12

The gas which is mainly produced in landfills from the waste is:

UHS 2016
Chemistry
Environmental Chemistry
Elimination Tool:

A) CH4

B) CO2

C) SO2

D) Cl2

67 / 100

Category: Chemistry Ch 8 Class 11

68 / 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

69 / 100

Category: Chemistry

Q.115 Alcohols can be oxidized to aldehyde and ketone by warming with acidified potassium dichromate. Which among of the following alcohols resists to this change

A. (CH3)2 CH CH2OH

B. CH3 CH2 CH(CH3) OH

C. (CH3)3 COH

D. C6H3 CH2 OH

70 / 100

Category: Chemistry Ch 11 Class 12

Phenol has all characters except?

Can be reduced to benzene

Insoluble in water

Acidic in nature

Used as a disinfectant

71 / 100

Category: Chemistry

liquid whose thermodynamic property do not de ti)upon intermolecular forces Is

Mercury

None of these

Ethylene glycol

Acetone pond

72 / 100

Category: Chemistry Ch 3 Class 11

If the matter in a given system at a given condition is divided into two equal parts, then the value of the extensive properties will become:

NTS 2011
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Double of the original value

B) Half of the original value

C) Remain the same as the original value

D) One-fourth of the original value

73 / 100

Category: Chemistry Ch 4 Class 11

Which of the following statements is incorrect about amorphous solids?

PMC Practice 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) They are anisotropic

B) They are rigid and incompressible

C) They melt over a wide range of temperature

D) There is no orderly arrangement of particles

74 / 100

Category: Chemistry Ch 7 Class 12

Na, Ca & Mg are

Organic

Inorganic non-metals

) Inorganic metals

Organic metals

75 / 100

Category: Chemistry Ch 9 Class 11

Which of the following Is the smallest unit?

Molarity

Molality

PPM

Mole Fraction

76 / 100

Category: Chemistry

What is the correct name for this structure?

NUMS Mock 1
Chemistry
Fundamental Principles of Organic Chemistry

A) 3,3 4- trimethyl hexane

B) 1,1,2- trimethyl ethane

C) 2,2-dimethyl propane

D) 2-ethyl,1-methylethane

77 / 100

Category: Chemistry Ch 7 Class 12

Which of the following has shortest C – C bond length?

Acetylene

Methyl Alcohol

Benzene

Methane

78 / 100

Category: Chemistry

Q.141 Cholesteryl Benzoate turns milky at

A. 123°C

B. 135°C

C.145C

D.179°C

79 / 100

Category: Chemistry Ch 4 Class 11

The rate of diffusion of liquids is ________ than gases.

PMC Practice 5
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Lower

B) Higher

C) Equal to

D) All of these options are correct

80 / 100

Category: Chemistry Ch 12 Class 12

Butanone on oxidation with K2Cr2O7 / H2SO4 forms:

NUMS 2020
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Acetic acid

B) Acetic acid & Ethane

C) Methane & Propanoic acid

D) Propanoic acid & Methanoic acid

81 / 100

Category: Chemistry Ch 5 Class 11

Which of the following statements is correct?

NTS 2011
Chemistry
Atomic Structure
Elimination Tool:

A) Faraday's experiment indicates the existence of electrons

B) Crookes tube experiment shows the presence of electrons and protons in the atoms

C) Radioactivity confirms the presence of electrons and protons

D) Chadwick experiment shows the presence of neutrons

E) All of these

82 / 100

Category: Chemistry Ch 11 Class 12

With which of the following alcohols do not react to form alkyl halides?

HCl

SOCl2

Br2

PCl3

83 / 100

Category: Chemistry

Q.70 Which one of the following is an electrophile?

A. Br

B.CH4

C. NH3

D. H2O

84 / 100

Category: Chemistry

Q.84 In BeCl2 the covalent bond is formed due to overlap if

A. sp–s

B. sp–p

C. sp2–p

D. sp3–s

85 / 100

Category: Chemistry Ch 9 Class 11

As the number of solute particles increases, the freezing point of the solution:

UHS 2012
Chemistry
Solution and Colloids
Elimination Tool:

A) Remains the same

B) Increases

C) First increases, then decreases

D) Decreases

86 / 100

Category: Chemistry Ch 2 Class 11

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

87 / 100

Category: Chemistry Ch 3 Class 11

Solid NaCl is a bad conductor of electricity because:

NUMS 2016
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Solid NaCl is covalent

B) In the solid state, there are no ions

C) In solid NaCl. there is no migration of ions

D) In solid NaCl, there are not electron

88 / 100

Category: Chemistry

Q.36 How will the conditions be changed to prevent the volume of the given gas from expanding when its mass is increased

A. Temperature and pressure increased

B. Temperature is lowered and pressure decreased

C. Temperature and pressure increasediiiiiiiiii

D. Temperature is lowered and pressure increased

89 / 100

Category: Chemistry Ch 11 Class 12

The test used to distinguish among primary, secondary, and tertiary alcohols is:

PreMedPK MDCAT Mock 4
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) 2,4 – DNPH test

B) Tollens test

C) Lucas Test

D) Fehling solution test

90 / 100

Category: Chemistry Ch 7 Class 12

Which one is not an organic compound?

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Fats

B) Water

C) Carbohydrates

D) None

91 / 100

Category: Chemistry Ch 11 Class 11

H2SO4 has great affinity for water because:

NTS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) It decomposes the acid

B) It hydrolyses the acid

C) Acid decomposes the water

D) Acid forms hydrates with water

92 / 100

Category: Chemistry Ch 14 Class 12

) Plastic cannot be recycled by

Depolymerization

Transformation

Deformation

None of these

93 / 100

Category: Chemistry Ch 7 Class 11

Enthalpy of a compound is equal to its

NUMS 2016
Chemistry
Thermochemistry
Elimination Tool:

A) Heat of combustion

B) Heat of formation

C) Heat of solution

D) Heat of dilution

94 / 100

Category: Chemistry Ch 16 Class 12

Which of the following is a water cleaning halogen?

95 / 100

Category: Chemistry Ch 7 Class 12

Wohler prepared urea from:

Bakelite

Cyanic acid

NH4CNO

Formaldehyde

96 / 100

Category: Chemistry Ch 11 Class 11

Blue litmus turns red in a solution of PH

NUMS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) Below 7

B) 7

C) Above 7

D) at all 7

97 / 100

Category: Chemistry Ch 4 Class 11

Which of the following has the highest electrical conductivity?

NUMS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Aqueous sugar solution

B) Solid graphite

C) Solid sodium chloride

D) Gaseous carbon dioxide

98 / 100

Category: Chemistry

Q86 : Which of the following is most ionic in nature

A. Sodium chloride

B. Sodium fluoride

C. Sodium bromide

D. Sodium iodide

99 / 100

Category: Chemistry Ch 6 Class 11

The compound in which carbon uses only its sp3 – hybrid orbitals for bond formation is?

NTS 2015 DUHS and JSMU
Chemistry
Chemical Bonding
Elimination Tool:

A) HCOOH

B) (CH3)3COH

C) NH2CONH2

D) (CH3)3C – CHO

100 / 100

Category: Chemistry Ch 8 Class 11

Le-Chatelier Principle is about

PMC Sample 3
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Reaction Mixture

B) Reactants

C) Equilibrium Mixture

D) Products

Your score is

The average score is 55%

Structured Practice for Best Entry Test Preparation

This topic-wise and chapter-wise practice test allows students to focus on individual chemistry concepts, numerical problems, reactions, and practical exercises. Regular practice enhances understanding, sharpens problem-solving abilities, and builds confidence to tackle both board and competitive exam questions efficiently.

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