CLAT General-Knowledge(GK): Questions 125 - 132 of 286

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Question number: 125

» General Science » Chemistry

MCQ▾

Question

Which one of the following metals has the highest density?

Choices

Choice (4) Response

a.

Iron

b.

Lead

c.

Platinum

d.

Gold

Question number: 126

» General Science » Chemistry

MCQ▾

Question

‘No two electrons in an atom can have the same set of four quantum number’ is

Choices

Choice (4) Response

a.

Aufbau’s principle

b.

Bohr’s law

c.

Newton’s law

d.

Pauli’s exclusion principles

Question number: 127

» General Science » Chemistry

MCQ▾

Question

Match the following

Substance Use

A. Weakly acidic 1.1. 5

B. Strongly acidic 2.12. 5

C. Weakly basic 3.6. 5

D. Strongly basic 4.7. 5

Choices

Choice (4) Response

a.

2 4 1 3

b.

3 1 4 2

c.

4 3 2 1

d.

1 3 2 4

Question number: 128

» General Science » Chemistry

MCQ▾

Question

The quantum theory was first enunciated by

Choices

Choice (4) Response

a.

Albert Einstein

b.

Niel Bohr

c.

Max Planck

d.

Max Born

Question number: 129

» General Science » Chemistry

MCQ▾

Question

When ice starts melting?

Choices

Choice (4) Response

a.

There is no change in state

b.

There is no change in volume

c.

There is no change in temperature

d.

None of the above

Question number: 130

» General Science » Chemistry

MCQ▾

Question

Heavy water is used in

Choices

Choice (4) Response

a.

nuclear bombs

b.

car batteries

c.

rockets

d.

nuclear reactors

Question number: 131

» General Science » Chemistry

MCQ▾

Question

Diamond is harder than graphite because of

Choices

Choice (4) Response

a.

Difference of layers of atoms

b.

Tetrahedral structure of diamond

c.

Difference of crystalline structures

d.

All of the above

Question number: 132

» General Science » Chemistry

MCQ▾

Question

The major ingredient of leather is

Choices

Choice (4) Response

a.

collagen

b.

polymer

c.

nucleic acid

d.

Carbohydrate

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