NEET Chemistry: Questions 411 - 416 of 891

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Question number: 411

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

MCQ▾

Question

A sample of gas occupies 600 ml at 27℃ and 1 atm. What will be the volume at 127℃ if the pressure is kept constant?

Choices

Choice (4) Response

a.

800 ml

b.

900 ml

c.

600 ml

d.

700 ml

Question number: 412

» States of Matter » Liquid State » Properties of Liquids

MCQ▾

Question

Normal boiling point of liquid is that temperature at which vapour pressure of liquid is equal to?

Choices

Choice (4) Response

a.

100 mm of Hg

b.

380 mm of Hg

c.

760 mm of Hg

d.

zero

Question number: 413

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

MCQ▾

Question

What is the mass in grams of available oxygen per liter from a solution of H2O2, 10 ml of which when titrated with N/20 KMnO4 solution required 25 ml for the reaction?

2KMnO4+4H2SO4+5H2O22KHSO4+2MnSO4+8H2O+5O2

Choices

Choice (4) Response

a.

12 g

b.

2 g

c.

6 g

d.

15 g

Question number: 414

» Hydrocarbons » Alkanes » Physical Properties

MCQ▾

Question

Which unbranched alkane have same boiling point as water?

Choices

Choice (4) Response

a.

Methane

b.

Ethane

c.

Heptane

d.

Butane

Question number: 415

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

MCQ▾

Question

The temperature at which real gases obey the ideal gas laws over a wide range of pressure is called?

Choices

Choice (4) Response

a.

Boyle temperature

b.

reduces temperature

c.

critical temperature

d.

inversion temperature

Question number: 416

» States of Matter » Liquid State » Properties of Liquids

MCQ▾

Question

There is a depression in the surface of the liquid in a capillary when?

Choices

Choice (4) Response

a.

The cohesive force is smaller than the adhesive force

b.

The cohesive force is greater than the adhesive force

c.

The cohesive and adhesive forces are equal

d.

All of the above

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