NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 372 - 378 of 1195

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Question number: 372

» Atomic Structure » Quantum Mechanical Model of Atom

MCQ▾

Question

The minimum energy required overcoming the attracted forces between electron and surface of Ag metal is 7.52 x 10-19 J. What will be the maximum K. E. of electron ejected out from Ag which is being exposed to U. V. light of = 360 Å

Choices

Choice (4) Response

a.

67.68 x 10-19 Joule

b.

6.96 x 10-19 Joule

c.

57.68 x 10-19 Joule

d.

36.38 x 10-19 Joule

Question number: 373

» States of Matter » Liquid State » Viscosity

MCQ▾

Question

The reciprocal of the coefficient of viscosity is called?

Choices

Choice (4) Response

a.

compressibility

b.

fluidity

c.

surface tension

d.

Question does not provide sufficient data or is vague

Question number: 374

» Atomic Structure » Thomson and Rutherford Atomic Models

MCQ▾

Question

Rutherford’s experiment on scattering of alpha particles shows that atom has-

Choices

Choice (4) Response

a.

Neutrons

b.

Nucleus

c.

Proton

d.

Electron

Question number: 375

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

MCQ▾

Question

The mathematical representation of Charles law is?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 376

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

MCQ▾

Question

Which of the following oxide is involved in Merck’s process?

Choices

Choice (4) Response

a.

Na2O2

b.

CaO2

c.

BaO2

d.

All of the above

Question number: 377

» Basic Concepts in Chemistry » Mole Concept

MCQ▾

Question

What weight of is needed to convert 62 gm of in in the reaction?

Choices

Choice (4) Response

a.

126 gm

b.

315 gm

c.

63 gm

d.

630 gm

Question number: 378

» States of Matter » Liquid State » Properties of Liquids

MCQ▾

Question

The freezing point of a liquid is affected by the change of?

Choices

Choice (4) Response

a.

Temperature

b.

External pressure

c.

Internal pressure

d.

None of the above

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