NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension: Questions 141 - 144 of 816

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Question number: 141

» Chemistry » Physical and Chemical Changes

Appeared in Year: 2013

Assertion-Reason▾

Assertion (Ꭺ)

Reactivity of aluminum decreases when it is dipped in nitric acid.

Reason (Ꭱ)

a protective layer of aluminum nitrate is formed when aluminum is dipped in nitric acid.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

Ꭺ is true but Ꭱ is false

d.

Ꭺ is false but Ꭱ is true

Question number: 142

» English Language » Sentence Completion

MCQ▾

Question

Select the most appropriate option to fill in the blanks from the given alternatives.

Our charming hostess was very________to all her guests.

Choices

Choice (4) Response

a.

grateful

b.

graceful

c.

gracious

d.

good

Question number: 143

» English Language » Synonyms

MCQ▾

Question

Select the correct meaning of the Idioms and Phrases out of the four choices given.

Act up

Choices

Choice (4) Response

a.

To misbehave

b.

Behave in a way

c.

Produce effect

d.

In accordance with

Question number: 144

» Chemistry » Physical and Chemical Changes

Appeared in Year: 2013

MCQ▾

Question

A drop each of two non-corrosive and non-irritating liquids A and B at a temperature of 22°C are placed on the skin. Liquid A gives a more cooling sensation than liquid B. Which of the following can be said about the liquids A and B?

Choices

Choice (4) Response

a.

Liquid A has higher latent heat of vapourisation than that of liquid B

b.

Liquid A has lower latent heat of vapourisation than that of liquid B

c.

Liquid A has higher boiling point than that of liquid B

d.

The boiling points of liquid A and B are equal

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