NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 301 - 304 of 1058

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Question 301

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Question

MCQ▾

When hydrogen and oxygen combined chemically in a fixed ratio of 1: 8 by weight, X is obtained. X

Choices

Choice (4)Response

a.

has fixed melting point

b.

has properties quite different from hydrogen and oxygen

c.

can be separated into its constituent by physical methods.

d.

is homogeneous

Question 302

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Question

MCQ▾

Consider the following statements.

I. Chloralkali process is the process of electrolysis of solution.

II. During electrolysis, gas is produced at anode and gas is produced at cathode.

Which of the above statements (s) is/are correct?

Choices

Choice (4)Response

a.

Only II

b.

I and II

c.

I nor II

d.

Only I

Question 303

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Question

MCQ▾

A gas is enclosed in a container which is then placed on a fast moving train. The temperature of the gas

Choices

Choice (4)Response

a.

becomes unsteady

b.

remains unchanged

c.

rises

d.

Falls

Question 304

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Question

Assertion-Reason▾

Assertion (Ꭺ)

Sound can reach from one place to another due to air.

Reason (Ꭱ)

mechanical wave requires a medium for its propagation

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are false

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true