NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 445 - 451 of 1259

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Question number: 445

» Hydrogen » Preparation, Properties and Uses of Hydrogen

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MCQ▾

Question

Abundance of hydrogen in the earth’s atmosphere is very small. Because?

Choices

Choice (4)Response

a.

Hydrogen readily combined with oxygen of atmosphere

b.

The earth’s gravity is weak to hold light molecules

c.

Hydrogen is inflammable

d.

Hydrogen is diatomic in nature

Question number: 446

» Hydrogen » Preparation, Properties and Uses of Hydrogen

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MCQ▾

Question

Pure hydrogen is obtained by carrying electrolysis of?

Choices

Choice (4)Response

a.

Water containing sodium hydroxide

b.

Barium hydroxide solution

c.

Water containing sulphuric acid

d.

KOH solution

Question number: 447

» Hydrocarbons » Alkanes » Chemical Properties

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MCQ▾

Question

Product. In this reaction product will be -

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 448

» Hydrogen » Physical and Chemical Properties of Water

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MCQ▾

Question

Which of the following is the freezing point of heavy water?

Choices

Choice (4)Response

a.

-3.80C

b.

O0C

c.

3.80C

d.

380C

Question number: 449

» Hydrogen » Isotopes

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MCQ▾

Question

Which of the following isotopes of hydrogen is used as bombarding agent?

Choices

Choice (4)Response

a.

Deuterium

b.

Protium

c.

Tritium

d.

Question does not provide sufficient data or is vague

Question number: 450

» States of Matter » Liquid State » Viscosity

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MCQ▾

Question

The mathematical expression for vapour pressure is?

Choices

Choice (4)Response

a.

b.

c.

PC = RT

d.

P = CRT

Question number: 451

» Basic Concepts in Chemistry » Mole Concept

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MCQ▾

Question

How many significant figures are in each of the following numbers?

(1) (2) (3)

Choices

Choice (4)Response

a.

3,4, 3

b.

4,3, 2

c.

4,4, 4

d.

3,4, 1

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