NEET Chemistry: Questions 403 - 410 of 677

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Question number: 403

» States of Matter » Gaseous State » Van Der Waals Equation

MCQ▾

Question

The units of “a” in Vander Waal’s equation is?

Choices

Choice (4) Response

a.

atom litre2mol-1

b.

atom litre 2 mol-2

c.

atom litre mol-2

d.

atom litre mol-1

Question number: 404

» Atomic Structure » Hund's Rule

MCQ▾

Question

The total spin resulting from a d7 configuration is –

Choices

Choice (4) Response

a.

2

b.

12

c.

1

d.

32

Question number: 405

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

Water can extinguish most fires but not petrol fire, because?

Choices

Choice (4) Response

a.

water is lighter than petrol

b.

petrol is lighter than water

c.

Hydrogen bonding

d.

None of the above

Question number: 406

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

MCQ▾

Question

In alkaline medium, H2O2 reacts with Fe+3 and Mn+2 separately to give?

Choices

Choice (4) Response

a.

Fe+2andMn+2

b.

Fe+4andMn+4

c.

Fe+2andMn+4

d.

Fe+4andMn+2

Question number: 407

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

The temporary hardness of water due to calcium bicarbonate can be removed by adding?

Choices

Choice (4) Response

a.

Calcium carbonate

b.

Calcium chloride

c.

Calcium hydroxide

d.

Hydrochloric acid

Question number: 408

» States of Matter » Liquid State » Vapor Pressure

MCQ▾

Question

Which of the following property of liquid is associated with Calusius –Clapeyron equation?

Choices

Choice (4) Response

a.

Vapour pressure

b.

Viscocity

c.

Surface tension

d.

Density

Question number: 409

» States of Matter » Liquid State » Surface Tension

MCQ▾

Question

The units of surface tension of a liquid is?

Choices

Choice (4) Response

a.

dyne. cm-2

b.

dyne. cm

c.

dyne. cm-1

d.

dyne. cm2

Question number: 410

» States of Matter » Gaseous State » Gas Laws - Boyle's Law, Charle's Law, Graham's Law of Diffusion

MCQ▾

Question

The density of the gas is equal to?

Choices

Choice (4) Response

a.

nP

b.

PM/RT

c.

M/V

d.

P/RT

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