Chemistry Practice Tests 5

Created by Ali Durrani

NET Practice

Chemistry Practice Test 5

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1 / 100

Category: Chemistry

The indicator is a colored compound?

Organic

Inorganic

Acidic

Basic

2 / 100

Category: Chemistry Ch 9 Class 11

Aqueous solutions of Iodine and Sodium hydroxide were mixed in a round bottom flask at 70 C. Following chemical reaction was carried out.

3I2 + 6 NaOH -> NaIO3 + NaI + H2O
This reaction is termed as;

UHS 2019
Chemistry
Solution and Colloids
Elimination Tool:

A) Redox reaction

B) Precipitation reaction

C) Substitution reaction

D) Free radical reaction

3 / 100

Category: Chemistry Ch 9 Class 12

Acetylene polymerizes to make:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

A) Cyclohexane

B) Benzene

C) Hexane

D) Toluene

4 / 100

Category: Chemistry Ch 11 Class 11

The unit of rate constant is same as that of rate of reaction in:

NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
Elimination Tool:

A) First order reaction

B) Zero order reaction

C) Second order reaction

D) Third order reaction

5 / 100

Category: Chemistry Ch 7 Class 12

Isomerism due to shifting of proton from one atom to another in a same molecule is known as:

NUMS 2020
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Metamerism

B) Tautomerism

C) Position

D) Functional

6 / 100

Category: Chemistry Ch 1 Class 12

Hydrogen resembles with alkali metals in all respects except

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

A) Half – filled valence shell

B) Formation of unipositive ion

C) Reducing nature

D) Valence shell electronic configuration

7 / 100

Category: Chemistry Ch 3 Class 11

The internal energy of an ideal gas depends upon its:

NTS 2016 DUHS & JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Molecular size

B) Pressure only.

C) Volume only

D) Temperature only

8 / 100

Category: Chemistry

Q.102 The hetero atom present in furan is

A. O

B. N

C. S

D. Cl

9 / 100

Category: Chemistry Ch 11 Class 12

The aromatic compound having the functional group “OH” attached to It Is?

Carbolic acid

Phenol

Alcohol

None

10 / 100

Category: Chemistry Ch 13 Class 12

There is double bond in oleic acid between carbon numbers:

7-8

8-9

10-11

9-10

11 / 100

Category: Chemistry

Formula of hydrogen peroxide

HO

H202

H02

H302

12 / 100

Category: Chemistry Ch 3 Class 11

The expression PV = nRT represents the:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Dalton’s Law

B) Avogadro’s Law

C) General gas equation

D) Van der Waals equation

13 / 100

Category: Chemistry

Q.92 Change in Pressure will only affect fhe.substances which are in

A. Liquid stale

B. Solid State

C.Plasma state

D. Gaseous State

14 / 100

Category: Chemistry Ch 4 Class 11

Crystal structure of diamond is

Trigonal

Tetrahedral

Cubic

None of these

15 / 100

Category: Chemistry

Ketones can be made by oxidation of:

NUMS Mock 2
Chemistry
Aldehydes and Ketones

A) Aldehydes

B) Primary Alcohols

C) Secondary Alcohols

D) Tertiary Alcohols

16 / 100

Category: Chemistry Ch 1 Class 11

Limiting reactant controls the amount of _.

PMC Practice 27
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Reactant

B) Products

C) Both A&B

D) None of these

17 / 100

Category: Chemistry

Q.157 Shifting the position of equilibrium can be used to Increase

A. Temperature

B. Pressure

C. Yield of reaction

D. All of these

18 / 100

Category: Chemistry

Q.15 In NaCl crystal, chloride ions present at the face center are distributed in

A. One Unit Cell

B. 8 Unit cells

C. 4 Unit cells

D. 2 Unit cells

19 / 100

Category: Chemistry Ch 3 Class 12

Which of the following is not an interstitial compound?

NTS 2014
Chemistry
d and f Block Elements
Elimination Tool:

A) Cu-Zn

B) Cu-Zn-Sn

C) TiH1.73

D) V2O5

20 / 100

Category: Chemistry Ch 6 Class 11

which type of hybridization doesn’t exist?

Sp4

Sp3

Sp2

Sp

21 / 100

Category: Chemistry Ch 10 Class 11

The common oxidation number of halogens is:

PMC 2020
Chemistry
Electrochemistry
Elimination Tool:

A) -1

B) +1

C) -2

D) 0

22 / 100

Category: Chemistry Ch 7 Class 11

Thermochemistry is very important to learn about

PMC Sample 1
Chemistry
Thermochemistry
Elimination Tool:

A) Chemical Equilibrium

B) Chemical Bonding

C) Heat contents of a compound

D) All of these

23 / 100

Category: Chemistry

Q.26 A polymer called Bakelite is formed by reaction of phenol with

A. hydrogen

B. ethers

C. carboxylic acid

D. formaldehyde

24 / 100

Category: Chemistry Ch 2 Class 11

106 gram of Na2CO3 per dm3 of the solution of Na2CO3 in water, the concentration of the solution will be:

NTS 2018
Chemistry
Stoichiometry
Elimination Tool:

A) 1N

B) 0.1 M

C) 1M

D) 0.02M

25 / 100

Category: Chemistry Ch 9 Class 12

The C-H bond distance is the longest in:

NUMS 2015
Chemistry
Hydrocarbons
Elimination Tool:

A) C2H4

B) C2H2

C) C2H6

D) C2H2Br

26 / 100

Category: Chemistry Ch 7 Class 11

Which of the following statements is NOT true for the first law of thermodynamics?

NTS 2014
Chemistry
Thermochemistry
Elimination Tool:

A) Total energy of the system and surrounding is conserved

B) Energy can neither be created nor destroyed

C) It is the same as law of conservation of energy

D) Total energy of the system is increasing

27 / 100

Category: Chemistry Ch 7 Class 11

Which one is not related to evaporation?

NUMS 2015
Chemistry
Thermochemistry
States of Matter
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Continuous

B) Endothermic

C) Exothermic

D) Spontaneous

28 / 100

Category: Chemistry Ch 2 Class 11

is the process of transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

Vaporization

Evaporation

Sublimation

None of these

29 / 100

Category: Chemistry Ch 12 Class 12

Cyanohydrins can be synthesized from ketones through:

PreMedPK MDCAT Mock 4
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Nucleophilic addition reaction

B) Unimolecular Nucleophilic substitution reaction

C) Electrophilic substitution reaction

D) Bimolecular Nucleophilic substitution reaction

30 / 100

Category: Chemistry Ch 4 Class 11

Change in extensive property is proportional to the change in ______ of material.

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

A) Temperature

B) Volume

C) Quantity

D) Pressure

31 / 100

Category: Chemistry

The bond, which is based on attractive forces between oppositely charged ions, is:

NUMS Mock 1
Chemistry
Chemical Bonding

A) Covalent bond

B) Dative bond

C) Ionic bond

D) Metallic bond

32 / 100

Category: Chemistry Ch 11 Class 12

When an electrophilic reagent attacks on alcohol, ________.

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

A) O – H bond formed.

B) O – H bond breaks.

C) C – O bond breaks.

D) Rise in boiling point.

33 / 100

Category: Chemistry Ch 2 Class 11

Which of the following is the safest way to dry crystals during crystallization?

Pressing between folds of paper

Boiling

Cooling

Vacuum desiccator

34 / 100

Category: Chemistry Ch 11 Class 11

The rate of reaction:

PMC Sample 2
Chemistry
Reaction Kinetics
Elimination Tool:

A) Increases as the reaction proceeds

B) Decreases as the reaction proceeds

C) Remains unchanged

D) None of these options is correct

35 / 100

Category: Chemistry Ch 10 Class 11

Hydrolysis means reaction with

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

A) Oxygen

B) Hydrogen

C) Water

D) Air

36 / 100

Category: Chemistry Ch 5 Class 12

What is the chief ore of fluorine?

Cryolite

Fluorspar

Dolomite

Both a and b

37 / 100

Category: Chemistry Ch 4 Class 12

Which of the following is typical transition element?

PMC Practice 4
Chemistry
d and f Block Elements
Elimination Tool:

A) Zn

B) Cd

C) Cu

D) Hg

38 / 100

Category: Chemistry Ch 2 Class 11

Equal weights of methane and hydrogen are mixed in an empty container at 25°C. The fraction of total pressure exerted by hydrogen is:

NTS 2013
Chemistry
Stoichiometry
Elimination Tool:

A) ½

B) 8/9

C) 1/9

D) 16/17

39 / 100

Category: Chemistry Ch 8 Class 11

A reaction with a tendency of occurring in forward and backward direction simultaneously is termed as

PMC Sample 2
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Irreversible

B) Unidirectional

C) Multidirectional

D) Reversible

40 / 100

Category: Chemistry Ch 6 Class 11

The decreasing order of second ionization energy of K, Ca, Ba is:

NUMS 2015
Chemistry
Chemical Bonding
Elimination Tool:

A) K > Ca > Ba

B) Ca > Ba > K

C) Ba > K > Ca

D) K > Ba > Ca

41 / 100

Category: Chemistry

Impurities of lead in silver are removed by:

NUMS Mock 2
Chemistry
d and f Block Elements

A) Parke’s process

B) Solvay process

C) Cyanide process

D) Amalgamation process

42 / 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

43 / 100

Category: Chemistry Ch 14 Class 12

Nylon-6,6 is also called:

UHS 2018
Chemistry
Macromolecules
Elimination Tool:

A) Poly styrene

B) Polyester

C) Polyamide

D) Polyvinyl alcohol

44 / 100

Category: Chemistry

Q.168 In aldol condensation, nucleophile is_

A. Hydroxyl ion

B. Carbocation

C. Carbanion

D. Water

45 / 100

Category: Chemistry Ch 5 Class 11

An element has configuration 2, 8, 1. It belongs to, ______.

NTS 2016 SMBBMC
Chemistry
Atomic Structure
Elimination Tool:

A) IA group and 3rd period

B) IIIA group and 1st period

C) IA group and 8th period

D) VIIA group and 3rd period

46 / 100

Category: Chemistry Ch 8 Class 12

1,4-dimethyl benzene is called as ______.

PreMedPK MDCAT Mock 5
Chemistry
Hydrocarbons
Elimination Tool:

A) Ortho-xylene

B) Para-xylene

C) Para-methyl toluene

D) Meta-methyl toluene

47 / 100

Category: Chemistry Ch 6 Class 11

In water molecules, oxygen atom is hybridized as

sp2

sp3

sp4

sp3d2

48 / 100

Category: Chemistry Ch 8 Class 11

Equilibrium constant has no units if?

The number moles are same on both sides of the chemical equation

The number of moles is different on both sides.

The number of moles is greater in the product

If the rate of reaction is constant

49 / 100

Category: Chemistry

Stronger the oxidizing agent, higher is the:

NUMS Mock 2
Chemistry
Electrochemistry

A) Emf of cell

B) Oxidation potential

C) Reduction potential

D) Redox potential

50 / 100

Category: Chemistry Ch 2 Class 11

Atomic number of C is 6 and H is 1. How many electrons are present In 1.6 grams of methane?

NTS 2015 DUHS and JSMU
Chemistry
Stoichiometry
Elimination Tool:

A) 6.02 x 1023

B) 1.204 x 1023

C) 1.806 x 1023

D) 2.408 x 1023

51 / 100

Category: Chemistry Ch 1 Class 12

A gas that reacts with CaO and not with NaHCO3 is:

NTS 2017
Chemistry
Periodicity in Elements
Elimination Tool:

A) CO2

B)CI2

C) O2

D) N2

52 / 100

Category: Chemistry Ch 8 Class 12

Benzene can be prepared from:

NTS 2011
Chemistry
Hydrocarbons
Elimination Tool:

A) From Petroleum

B) From Coal

C) From Acetylene

D) From Phenol

E) Al of these

53 / 100

Category: Chemistry

Q.151 An electron in an atom is completely described by its

A. 2 quantum numbers

B. Only one quantum number

C. Four quantum numbers

D. 3 quantum numbers

54 / 100

Category: Chemistry Ch 12 Class 12

H —CHO is:

Formaldehyde

Acetaldehyde

Ketone

Ester

55 / 100

Category: Chemistry Ch 1 Class 12

Arrange the following according to increasing ionization energy: Li, Be, Na, Mg

NUMS 2019 Cancelled
Chemistry
Periodicity in Elements
Elimination Tool:

A) Li < Be < Na < Mg

B) Be < Li < Na < Mg

C) Mg < Na < Li < Br

D) Na < Li < Mg < Be

56 / 100

Category: Chemistry Ch 9 Class 12

Which type of bonds are broken during cracking?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

A) C- C

B) C-H

C) Both C-C and C-H

D) C-0

57 / 100

Category: Chemistry Ch 10 Class 11

Current in electrolysis is carried through?

PMC Practice 1
Chemistry
Electrochemistry
Elimination Tool:

A) Free electrons

B) Positive Ions

C) Negative Ions

D) Both B and C

58 / 100

Category: Chemistry Ch 7 Class 11

What is the measure of activation energy in an endothermic reaction?

UHS 2019
Chemistry
Thermochemistry
Elimination Tool:

A) The energy of activation of backward reaction is less than that of forward reaction

B) The energy of activation of backward reaction is more that that of forward reaction.

C) The energy of activation of forward reaction is less than that of backward reaction.

D) The energy of activation of forward – backward reaction is same.

59 / 100

Category: Chemistry Ch 7 Class 11

In chemistry the work is generally ___.

PMC Sample 1
Chemistry
Thermochemistry
Elimination Tool:

A) Done by Temperature change

B) Pressure – Temperature Work

C) Pressure Volume Work

D) None of these

60 / 100

Category: Chemistry Ch 11 Class 12

Which of the following are not usually named using IUPAC system?

Alkenes

Alkalies

Ether

Alcohols

61 / 100

Category: Chemistry Ch 8 Class 12

The electrophilic reactions of Benzene are:

NTS 2011
Chemistry
Hydrocarbons
Elimination Tool:

A) Halogenation

B) Nitration

C) Sulphonation

D) Alkylation and Acylation

E) All of these

62 / 100

Category: Chemistry Ch 1 Class 11

How many molecules are there in 2.1 moles of CO₂:

PMC 2021 Tested
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 3.49 x 10⁻²⁴

B) 2.53 x 10²⁴

C) 1.26 x 10²⁴

D) 3.79 x 10²⁴

63 / 100

Category: Chemistry Ch 6 Class 12

Number of unpaired electrons in ferrous ion is:

2

3

5

4

64 / 100

Category: Chemistry

Q.100 I–I bond distance in case of gases iodine is

A. 271.5pm

B. 266.6pm

C. 4.9pm

D. 251.4ppm

65 / 100

Category: Chemistry Ch 11 Class 11

Rate = K [N2O5] has _____ of reaction.

NTS 2013
Chemistry
Reaction Kinetics
Elimination Tool:

A) First order

B) Pseudo first order

C) Second order

D) Third order

66 / 100

Category: Chemistry Ch 6 Class 11

Which of the following has greatest electronegativity?

Cl2

Br2

I2

Cs

67 / 100

Category: Chemistry Ch 15 Class 12

CFCs are organic compounds, that are derivatives of saturated hydrocarbons. They have high bond dissociation values therefore they are inert and non-toxic for living organisms.

The word CFCs stands for:

UHS 2019
Chemistry
Environmental Chemistry
Elimination Tool:

A) Chlorofluorocarbons

B) Carbonfluorochlorines

C) Clorofluorocarbonos

D) Chlorofluoridecarbons

68 / 100

Category: Chemistry Ch 9 Class 11

If NaCl produced in the equation:

FeCl3+ NaOH → Fe(OH)3 + NaCl

175.5 g of NaCl was dissolved in water to make a liter of solution, the molarity would be:

NTS 2010
Chemistry
Solution and Colloids
Elimination Tool:

A) 0.1 M

B) 3 M

C) 8 M

D) 12 M

69 / 100

Category: Chemistry Ch 5 Class 11

The spectrum of He is expected to be similar to that of:

NUMS 2014
Chemistry
Atomic Structure
Elimination Tool:

A) Hydrogen

B) Sodium

C) Oxygen

D) Li+

70 / 100

Category: Chemistry

Transition Elements usually show:

NUMS Mock 2
Chemistry
d and f Block Elements

A) Para magnetism

B) Diamagnetism

C) Ferromagnetism

D) Both Ferromagnetism and Paramagnetism

71 / 100

Category: Chemistry Ch 8 Class 11

Buffer capacity depends upon

pH

pOH

Remains same

Both a and b

72 / 100

Category: Chemistry Ch 11 Class 11

The change in concentration of reactants or products per unit time is

PMC Sample 3
Chemistry
Reaction Kinetics
Elimination Tool:

A) rate constant

B) reaction speed

C) Rate of a reaction

D) All of these

73 / 100

Category: Chemistry Ch 6 Class 11

Which of the following is the highest electronegative element?

F

N

CI

O

74 / 100

Category: Chemistry

Which enzyme is used when sugar In molasses is converted to glucose and fructose?

Amylase

Protease

Sucrase

None of these

75 / 100

Category: Chemistry Ch 1 Class 12

Covalent character of hydrides decrease ________?

PMC Practice 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) Down the Group

B) Along period

C) Along d- block

D) All of these

76 / 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

77 / 100

Category: Chemistry Ch 1 Class 11

Formula mass is considered for compounds instead of their molecular mass.

PMC Practice 21
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Metallic

B) Ionic

C) Covalent

D) Polar covalent

78 / 100

Category: Chemistry Ch 9 Class 11

The pH of a solution can be kept constant by:

2022 PMC Test 2
Chemistry
Solution and Colloids
Elimination Tool:

A) saturated solution

B) super saturated solution

C) buffer solution

D) dilute solution

79 / 100

Category: Chemistry Ch 1 Class 11

Spectrometry is used when reactants and products absorb _____.

PMC Practice 7
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Ultraviolet radiations

B) Visible radiation

C) Infrared radiation

D) All of these

80 / 100

Category: Chemistry Ch 1 Class 11

In combustion analysis method CO2 is absorbed by?

Mg(OH)2

KOH

Mg(CIO)2

None of thes

81 / 100

Category: Chemistry Ch 7 Class 12

Aromatic compounds burn with a sooty flame because:

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) They are resistant to react with oxygen

B) They have a cyclic structure

C) They have a high percentage of Carbon

D) They have a high percentage of hydrogen

82 / 100

Category: Chemistry

Q.175 A compound has an empirical (simple) formula, C2lH20. If the experimental molecular weight is found to be in the range 16-17, the molecular formula of this compound is: (Atomic wt.: C= 12.1, H=1. 8, 0=16.)

A. C3H6O3

B .C4H4O2

C. C2H204

D. C6H6O3

83 / 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

84 / 100

Category: Chemistry Ch 4 Class 12

The geometry of the complex compounds usually depends upon:

PMC 2021 Tested
Chemistry
d and f Block Elements
Elimination Tool:

A) All of the given choices

B) Hybridization of central metal

C) Type of ligands

D) Types of hybridization in the elements of ligands

85 / 100

Category: Chemistry Ch 2 Class 12

Magnesium reacts with nitrogen to form:

PMC 2020
Chemistry
s and p Block Elements
Elimination Tool:

A) Mg2N2

B) Mg3N2

C) MgN2

D) MgN

86 / 100

Category: Chemistry Ch 8 Class 12

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

NUMS 2016
Chemistry
Hydrocarbons
Elimination Tool:

A) CH4

B) C2H2

C) C2H4

D) All of the above

87 / 100

Category: Chemistry Ch 4 Class 11

Atoms in solids are

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

A) Loosely Packed

B) In random motion

C) Excited

D) Closely packed

88 / 100

Category: Chemistry Ch 12 Class 12

Formaldehyde is Industrially Prepared from:

Methanol

Ethyl alcohol

Methyl alcohol

Oxidation of ethylene

89 / 100

Category: Chemistry Ch 8 Class 11

A reaction with a tendency of occurring in forward and backward direction simultaneously is termed as

PMC Sample 1
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Irreversible

B) Unidirectional

C) Multidirectional

D) Reversible

90 / 100

Category: Chemistry Ch 4 Class 12

Which of the following sets is of coinage metals?

PMC Sample 2
Chemistry
d and f Block Elements
Elimination Tool:

A) Cu, Ag, Au

B) Zn, Cd, Hg

C) Au, Ag, Zn

D) Li, Na, K

91 / 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

92 / 100

Category: Chemistry Ch 8 Class 11

If the value of ‘Kc’ is very large then, it shows that ______ completed.

NUMS 2018
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Forward reaction

B) Reverse reaction

C) Equilibrium is maintained

D) Kcis moderate

93 / 100

Category: Chemistry Ch 4 Class 12

H2SO4 is used in industries of?

Paint

Textile

Rubber

Aluminum

94 / 100

Category: Chemistry Ch 7 Class 11

Burning of fuel is a

Endothermic

Exothermic

Both a & b

None of these

95 / 100

Category: Chemistry Ch 7 Class 12

The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called:

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Functional isomers

B) Position isomers

C) Chain isomers

D) Metamers

96 / 100

Category: Chemistry Ch 2 Class 11

A residue is obtained In which of the following methods?

Crystallization

Filtration

Condensation

Decantation

97 / 100

Category: Chemistry Ch 14 Class 12

Industrially water gas is converted into methanol by using catalyst:

NUMS 2019 Reconduct
Chemistry
Macromolecules
Elimination Tool:

A) CuO + ZnO

B) CuO + Cr2O3

C) Al2O3+ ZnO

D) ZnO + Cr2O3

98 / 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

99 / 100

Category: Chemistry Ch 13 Class 12

Carboxylic acids can be prepared by action of and carbon dioxide

Sodium hydroxide

Grignard's reagent

Alcoholic KOH

Alkaline KMn0.

100 / 100

Category: Chemistry

Q.152 Enzymes are in nature.

A. Proteins

B. Carbohydrates

C. Lipids

D. Nucleic acid

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