Chemistry Practice Tests 1

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Chemistry Practice Test 1

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1 / 100

Category: Chemistry

If any amino acids contain greater number of NH2, it is:

NUMS Mock 3
Chemistry
Alkyl Halides and Amines

A) Acidic

B) Neutral

C) Amphoteric

D) Basic

2 / 100

Category: Chemistry Ch 4 Class 12

Au3+ has __________ configuration.

PMC Practice 5
Chemistry
d and f Block Elements
Elimination Tool:

A) 5d7

B) 4d9

C) 5d8

D) 5d10

3 / 100

Category: Chemistry

Q.90 Which of the following propefties belong to acetic acid?

A. Colourless liquid, odourless, sour taste

B. Bright colour bituer taste

C.Colourless solid, sour taste, pungent smell

D. All are incórreet

4 / 100

Category: Chemistry Ch 10 Class 11

Standard Electrode Potential is measured at temperature:

348K

298K

20K

235K

5 / 100

Category: Chemistry Ch 3 Class 11

A graph between volume and temperature gives a straight line which cuts the temperature axis at:

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

A) 0 C

B) 273 C

C) 546 C

D) -273 C

6 / 100

Category: Chemistry Ch 11 Class 11

If energy of the activated complex is close to energy of reactants, it means that the reaction is:

NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
Elimination Tool:

A) Fast

B) Moderate

C) Slow

D) Very slow

7 / 100

Category: Chemistry Ch 7 Class 12

IUPAC name of C6H5 – CH2 – CH2 – NH2 is:

PMC 2020
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) 2-phenyl ethenamine

B) 2-phenyl ethanamine

C) 2-phenyl ethylamine

D) 3-phenyl ethanamine

8 / 100

Category: Chemistry

The color of transition metal complexes is due to transition of electrons between:

NUMS Mock 3
Chemistry
d and f Block Elements

A) p to d orbitals

B) d to d orbitals

C) p to p orbitals

D) d to p orbitals

9 / 100

Category: Chemistry Ch 5 Class 11

Which of the following best describes the emission spectrum of atomic hydrogen?

NTS 2015 DUHS and JSMU
Chemistry
Atomic Structure
Elimination Tool:

A) a discrete series of lines of equal intensity and equally spaced with respect to wavelength equally

B) a series of only four lines

C) a continuous emission of radiation of all frequencies

D) several discrete series of lines with both intensity and spacings between lines decreasing as the wavenumber increases with each series.

10 / 100

Category: Chemistry Ch 9 Class 12

Benzene when reacted with chlorine in ultraviolet rays produces:

Hexacholorocyclohexane

P-dichlorobenzene

Benzotrichloride

Benzalchloride

11 / 100

Category: Chemistry Ch 11 Class 12

Which of the following esters give a Jasmine Flavour?

PreMedPK MDCAT Mock 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Ethyl Acetate

B) Octyl Acetate

C) Amyl Butyrate

D) Benzyl Acetate

12 / 100

Category: Chemistry Ch 7 Class 11

For a reaction given below

C(s) + O2 (g) -> CO2 (g) + 394 kJ / mol

The enthalpy of reaction is

NTS 2016 SMBBMC
Chemistry
Thermochemistry
Elimination Tool:

A) 394 kJ / mol

B) -394 kJ / mol

C) 197 kJ / mol

D) -197 kJ / mol

13 / 100

Category: Chemistry Ch 3 Class 11

1 atmospheric pressure is equal to

1kg/cm2

1.033 kg/cm2

1.1kg/cm2

1.133 kg/cm2

14 / 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

15 / 100

Category: Chemistry Ch 4 Class 12

The chemical name of K2[Zn(OH)4] is:

NTS 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) Potassium tetrahydroxyzinc (II)

B) Potassium tetrahydroxozincate (II)

C) Potassium tetrahydroxyzincate (VI)

D) Potassium hydroxyzinc (II)

16 / 100

Category: Chemistry Ch 7 Class 12

Wohler prepared urea from:

Bakelite

Cyanic acid

NH4CNO

Formaldehyde

17 / 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

18 / 100

Category: Chemistry

All of the following substances can act as Lewis acids except:

NUMS Mock 3
Chemistry
Acids, Bases and Salts

A) BF3

B) H+

C) AlCl3

D) H2O

19 / 100

Category: Chemistry Ch 13 Class 12

In the case of HOCH2CH2CH2COOH, from where is numbering started?

PMC Practice 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) OH group is given number 1 position

B) Carboxylic acid is given number 1 position

C) COOH is given number 3 position

D) COOH is given number 4 position

20 / 100

Category: Chemistry

If a molecule MX3 has zero dipole moment, the sigma bonding orbitals used by M are:

NUMS Mock 4
Chemistry
Chemical Bonding

A) Pure p

B) Sp hybrids

C) Sp2hybrids

D) Sp3hybrids

21 / 100

Category: Chemistry Ch 14 Class 12

Left-handed helix in proteins secondary structure is called as ______ :

PMC Practice 4
Chemistry
Macromolecules
Elimination Tool:

A) Alpha helix

B) Beta helix

C) Spiral

D) Concentrate

22 / 100

Category: Chemistry Ch 11 Class 11

The colour of methyl orange in base is?

NTS 2015 SMBBMC
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) Red

B) yellow

C) orange

D) pink

23 / 100

Category: Chemistry Ch 6 Class 11

If the difference between electronegativity values between two atoms is less than 1.7 , the bond is necessarily:

NTS 2016 DUHS & JSMU
Chemistry
Chemical Bonding
Elimination Tool:

A) Ionic

B) Covalent

C) Electrovalent

D) Polar

24 / 100

Category: Chemistry Ch 1 Class 12

What is the charge on a hydrogen ion?

1

— 1

+2

-2

25 / 100

Category: Chemistry Ch 15 Class 12

About 80% of ammonia is used for the production of

UHS 2015
Chemistry
Environmental Chemistry
Elimination Tool:

A) Explosives

B) Fertilizers

C) Nylon

D) Polymers

26 / 100

Category: Chemistry Ch 10 Class 11

which one of the following Is the oxidation number of Iodine in I2?

0

1

2

None

27 / 100

Category: Chemistry Ch 4 Class 12

The shape of [Co(NH3)6]3+ complex is:

UHS 2018
Chemistry
d and f Block Elements
Elimination Tool:

A) Linear

B) Square planar

C) Tetrahedral

D) Octahedral

28 / 100

Category: Chemistry

Q.160 Polymerization of ethene produces which of the followving polymer?

A. Polyvinyl

B. Polethyl

C. Polyethylene

D. Polyethoxy

29 / 100

Category: Chemistry Ch 4 Class 12

Nitrogen has oxides:

2

3

1

Several

30 / 100

Category: Chemistry Ch 8 Class 11

If the value of Kc is large than the ratio (products)/(reactants), the reaction:

Is at equilibrium

Is not at equilibrium

The reaction moves in the forward direction

The direction will move in the reverse direction

31 / 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

32 / 100

Category: Chemistry Ch 15 Class 12

Among the most common disaccharides, one of the following is present in the milk?

UHS 2014
Chemistry
Industrial Chemistry
Elimination Tool:

A) Sucrose

B) Maltose

C) Fructose

D) Lactose

33 / 100

Category: Chemistry Ch 2 Class 12

Which of the following is not true about caustic soda? a) It causes painful burns c) It is manufactured by Costner—Kellner process e) Both b and d

) It causes painful burns

It is manufactured by Costner—Kellner process

Both b and d

b) It has purgative smell

d) It is used os on anti-acid

34 / 100

Category: Chemistry Ch 4 Class 11

The unit cell parameters of the monoclinic system are:

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

A) a = b ≠ c ; α=β=γ=90

B) a ≠ b ≠ c ;α=γ=90 ; β≠90

C) a ≠ b = c ;α=β=90; γ≠90

D) a = b = c ;α=β=γ=90

35 / 100

Category: Chemistry Ch 11 Class 12

Phenol Acts as

Mild agent

Reducing agent

Oxidizing agent

All of the above

36 / 100

Category: Chemistry

In a reaction:
A+B 2C when equilibrium was attained, the concentration was
[A]=[B]=4 moles/dm3
[C]=6 moles/dm3
the equilibrium constant Kc of this reaction is:

NUMS Mock 4
Chemistry
Chemical Equilibrium

A) 1.25

B) 2.25

C) 3.25

D) 2.75

37 / 100

Category: Chemistry Ch 1 Class 11

1 amu is?

1.66 x 10^-27 kg

1.602 x 10^27 kg

1.66 x 10^-31 kg

None

38 / 100

Category: Chemistry

Q.120 Which of the following has six isotopes

A. Palladium

B Tin

C. Cadmium

D. Carbon

39 / 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

40 / 100

Category: Chemistry Ch 6 Class 11

How many bonds are there in CO?

1

2

3

4

41 / 100

Category: Chemistry

Q.1 Suppression of ionization means

A. Decreasing Ionization

B. Increasing ionization

C. Maintaining ionization

D. None of these

42 / 100

Category: Chemistry

Q.83 Which bond has more ionic character in it

A. C–F

B. O–F

C. F–F

D. N–F

43 / 100

Category: Chemistry Ch 8 Class 11

In the reaction, 2SO2 (g) + O2 ⇌ 2SO3 (g) ∆H= +X cal most favorable conditions of temperature and pressure for a greater yield of SO2 are:

NTS 2014
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Low temperature and low pressure

B) High temperature and low pressure

C) High temperature and high pressure

D) Low temperature and high pressure

44 / 100

Category: Chemistry

Q.34 Which of these have a positive value of enthalpy?

A. Combustion

B. Neutralization

C. Atomization

D. All of these

45 / 100

Category: Chemistry Ch 1 Class 12

In which of the following chromium has different oxidation state?

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

A) K2Cr2O7

B) CrCl3

C) CrO3

D) K2CrO4

46 / 100

Category: Chemistry Ch 1 Class 11

Mass of a neutron in amu is?

1.008386

1.007376

0.0005

None

47 / 100

Category: Chemistry Ch 12 Class 12

What one is the correct geometry of acetal?

PreMedPK MDCAT Mock 3
Aldehydes and Ketones
Elimination Tool:

A) Trigonal

B) Linear

C) Tetrahedral

D) Square planer

48 / 100

Category: Chemistry Ch 2 Class 11

Slow cooling yields crystals of length?

Medium size

Small

Bigger

None of these

49 / 100

Category: Chemistry Ch 2 Class 12

Identify the correct statement:

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) Element sodium can be prepared and isolated by electrolyzing an aqueous solution of NaCl

B) Elemental Na is a strong oxidizing agent

C) Elemental Na is insoluble in NH3

D) Elemental Na is easily oxidizing

50 / 100

Category: Chemistry Ch 3 Class 11

Matter changes from one state to another state on change in ___________.

NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) density

B) pressure

C) viscosity

D) all

51 / 100

Category: Chemistry Ch 7 Class 11

The measurement of heat absorbed or given out in a chemical reaction is referred to as:

NTS 2011
Chemistry
Thermochemistry
Elimination Tool:

A) Enthalpy

B) Endothermic reaction

C) Exothermic reaction

D) Thermochemistry

52 / 100

Category: Chemistry Ch 8 Class 11

The Haber Process is used to produce ammonia commercially according to the following equilibrium: N2(g) + 3H2g = 2NH3g + energy Which of the following conditions will produce the highest yield of ammonia?

Increase temperature and increase pressure

Increase temperature and decrease pressure

Decrease temperature and increase pressure

Decrease temperature and Decrease pressure

53 / 100

Category: Chemistry Ch 4 Class 11

The densities of liquids are much ________ than gases but ____ to solids.

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

A) smaller, closer

B) greater, closer

C) smaller, far away

D) greater, far away

54 / 100

Category: Chemistry Ch 2 Class 12

Potassium, Rubidium, Cesium react with oxygen to form which types of oxides?

PMC 2020
Chemistry
s and p Block Elements
Elimination Tool:

A) Peroxide

B) Superoxide

C) Suboxide

D) Normal oxide

55 / 100

Category: Chemistry

The reduction of nitrile produced a compound of formula C3H7NH2. Which one of the following compounds would be produced if the same nitrile was hydrolyzed by heating with dilute hydrochloric acid?

NUMS Mock 4
Chemistry
Alkyl Halides and Amines

A) CH3CONH2

B) CH3CH2NH2

C) (CH3)2CHCO2H

D) CH3CH2CO2H

56 / 100

Category: Chemistry Ch 1 Class 12

The periodic table consists of:

NUMS 2014
Chemistry
Periodicity in Elements
Elimination Tool:

A) 7 horizontal series, 7 vertical series and 2 blocks

B) 8 horizontal series, 7 vertical series and 2 blocks

C) 7 horizontal series, 18 vertical series and 4 blocks

D) 8 horizontal series, 18 vertical series and 8 blocks

57 / 100

Category: Chemistry Ch 8 Class 12

Which one of the following molecules has the shortest distance of carbon atoms?

PreMedPK MDCAT Mock 3
Chemistry
Hydrocarbons
Elimination Tool:

A) CH3- CH3

B) CH2= CH2

C) CH≡ CH

D) CH3- CH2- CH3

58 / 100

Category: Chemistry Ch 9 Class 12

Which of the following compounds will form a hydrocarbon on reaction with Grignard reagent?

NUMS 2014
Chemistry
Hydrocarbons
Elimination Tool:

A) CH3CH2OH

B) CH3COOCH3

C) CH3COCH3

D) CH3CHO

59 / 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

60 / 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

61 / 100

Category: Chemistry Ch 10 Class 12

Alkyl halides can also be obtained by halogenation of ________.

NUMS 2018
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Alcohols

B) Alkenes

C) Alkanes

D) Ketones

62 / 100

Category: Chemistry Ch 12 Class 12

A diabetic person’s exhaled breath contains propanone. A student tries to test the diabetes by asking the person to bubble the reagent with his exhaled breath. Which of the following reagents would give a positive result?

NUMS 2019 Cancelled
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Aqueous Bromine

B) Fehling’s reagent

C) Tollen’s reagent

D) Alkaline aqueous iodine

63 / 100

Category: Chemistry Ch 11 Class 12

Rectified spirits have a percentage of alcohol.

NUMS 2018
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) 12 %

B) 24 %

C) 95 %

D) 100 %

64 / 100

Category: Chemistry

Q.158 Reduction of alkyl halides in the presence of Zn and mineral acid Produces______________ ?

A. Alkenes

B. Alkanes

C. Alkynes

D. Alcohols

65 / 100

Category: Chemistry Ch 14 Class 12

Part of a polymer molecule has the following structure. -CH2 -CH2 -CH2 -CH2 -CH2 -CH2-

NUMS 2016
Chemistry
Macromolecules
Elimination Tool:

A) C2H4

B) C2H6

C) C3H6

D) C3H8

66 / 100

Category: Chemistry Ch 3 Class 11

Statement of Charles Law:

V is directly proportional to P

V is directly proportional to T

) P is inversely proportional to V

d) All of these

67 / 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.

68 / 100

Category: Chemistry Ch 2 Class 12

Color of Epsom salt Is

White

Pink

Blue

Green

69 / 100

Category: Chemistry Ch 13 Class 12

Acetic acid is used in curing of? b

Meat

Fish

Vegetables

Both a and b

70 / 100

Category: Chemistry Ch 1 Class 12

Within each pair of elements F & Cl, S & Se, and Li & Na respectively, the elements that release more energy upon an electron gain are:

PMC Sample 3
Chemistry
Periodicity in Elements
Elimination Tool:

A) F, S and Li

B) Cl, S and Li

C) Cl, Se and Na

D) F, Se and Na

71 / 100

Category: Chemistry Ch 12 Class 12

Which of the following does not give iodoform test?

NUMS 2014
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Ethanol

B) Ethanal

C) Acetophenone

D) Benzophenone

72 / 100

Category: Chemistry Ch 10 Class 12

Which one of the following is NOT a nucleophile?

NTS 2019
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) H2S

B) BF3

C) NH3

D) CN-

73 / 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

74 / 100

Category: Chemistry

Formula of hydrogen peroxide

HO

H202

H02

H302

75 / 100

Category: Chemistry Ch 10 Class 12

Which catalyst is used in the preparation of alkyl halide from alcohols?

PMC Sample 2
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Zinc chloride

B) Pyridine

C) Sodium chloride

D) Thionyl chloride

76 / 100

Category: Chemistry Ch 9 Class 12

How many chain isomers are possible for the alkane C6H14?

NTS 2016 SMBBMC
Chemistry
Hydrocarbons
Elimination Tool:

A) six

B) five

C) four

D) nine

77 / 100

Category: Chemistry

Q.79 Salt Bridge is used for the purpose of

A. Producing Electrons

B. Circuit Completion

C. Increasing speed electrons

D. All of these

78 / 100

Category: Chemistry Ch 11 Class 11

The influence of temperature on reaction rate is predicted by:

NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
Elimination Tool:

A) Free energy change

B) Van Der Waals equation

C) Arrhenius equation

D) Kinetic equation

79 / 100

Category: Chemistry Ch 6 Class 12

ransition elements are colored because of:

d-d transition

d-p transition

p-p transition

s-d transition

80 / 100

Category: Chemistry Ch 2 Class 11

% of oxygen by mass. What is the empirical formula of ascorbic acid?

NUMS 2016
Chemistry
Stoichiometry
Elimination Tool:

A) C3H4O3

B) C3H4O6

C) CH4O3

D) C6H4O3

81 / 100

Category: Chemistry Ch 5 Class 11

The quantum numbers +½ and -½ for the electron spin represent:

NTS 2017
Chemistry
Atomic Structure
Elimination Tool:

A) Rotation of the electron in clockwise and anticlockwise direction respectively

B) Rotation of the electron in anticlockwise and clockwise direction respectively

C) Magnetic movement of the electron pointing up and down respectively

D) Two quantum mechanical spin states which have no classical analogue

82 / 100

Category: Chemistry Ch 13 Class 12

Chemical formula of Malonic acid: b) CEI-11206
a) C3H804

C3H8O4

C2H204

C6H12O6

C3H4O4

83 / 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

84 / 100

Category: Chemistry Ch 3 Class 12

Boric acid is used in

Washing wounds

Eye-wash

Detergents

Washing powder

85 / 100

Category: Chemistry Ch 11 Class 11

A catalyst is a substance which:

NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:

A) Stops the reaction

B) Decreases the rate of reaction

C) Alters the rate of reaction

D) Increases the rate of reaction

86 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is TRUE regarding Methyl Alcohol?

NTS 2011
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) It is a colorless, volatile, thin liquid with specific gravity 0.796 at 15°C

B) It is used for low-temperature thermometers and as a fuel substitute

C) It is extensively used in the formation of different beverages

D) It is used as a base for perfumes

87 / 100

Category: Chemistry Ch 6 Class 11

Which theory deals with hybridization of orbitals?

VBT

MOT

VSEPR

None of these

88 / 100

Category: Chemistry Ch 1 Class 11

The break down of molecular ions from natural productsgive important information about?

Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Size

B) Position

D) Structure

C) Shape

89 / 100

Category: Chemistry Ch 15 Class 12

Which one of the following is an example of a condensation polymer?

UHS 2014
Chemistry
Industrial Chemistry
Elimination Tool:

A) Polyvinyl Chloride

B) Polystyrene

C) Polyethene

D) Polyamide

90 / 100

Category: Chemistry Ch 7 Class 11

Starting point of Kelvin scale is:

NUMS 2020
Chemistry
Thermochemistry
Elimination Tool:

A) 0 K

B) -400 K

C) -210 K

D) -273.15 K

91 / 100

Category: Chemistry Ch 15 Class 12

The temperature zones In rotary kilns are:

5

4

6

None of these

92 / 100

Category: Chemistry Ch 5 Class 12

Which of the following is the highest oxidizing agent?

F2

Cl2

Br2

I2

93 / 100

Category: Chemistry Ch 11 Class 11

Which of the following statements is correct?

NTS 2017
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) H3PO3 is dibasic and reducing

B) H3PO3 is tribasic and reducing

C) H3PO3 is tribasic and non-reducing

D) H3PO3 is dibasic and non-reducing

94 / 100

Category: Chemistry Ch 14 Class 12

Which of the following has less amount of protein a

Potato

Milk

Egg

Fruit

95 / 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

96 / 100

Category: Chemistry Ch 3 Class 11

The value of S.T.P for 1 mole of any ideal gas is:

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

A) 273.16 K and 1 atm

B) 0 C & 1 mm Hg

C) 273 16 C & 1 atm

D) 0 K & 1 atm

97 / 100

Category: Chemistry Ch 9 Class 11

Ca(OH)2 is sparingly soluble having solubility value 6.5 x 10-6. What’ll be its solubility:

UHS 2017 Reconduct
Chemistry
Solution and Colloids
Elimination Tool:

A) 2.75 x 10-2

B) 2.75 x 102

C) 1.17 x 10-2

D) 3.63 x 103

98 / 100

Category: Chemistry Ch 1 Class 11

4 gram atoms of carbon has a mass of:

12

24

48

56

99 / 100

Category: Chemistry Ch 9 Class 11

Which of the following has the highest electrical conductivity?

NUMS 2016
Chemistry
Solution and Colloids
Elimination Tool:

A) Aqueous sugar solution

B) Solid graphite

C) Solid sodium chloride

D) Gaseous carbon dioxide

100 / 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

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