NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1453 - 1459 of 1484

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Question number: 1453

» Chemistry » Acids, Bases and Salts

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MCQ▾

Question

what is the conjugate base of in the above reaction?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 1454

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

…………. gas is evolved when Copper metal is reacted with diluted

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1455

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Which alloy is used to make pressure cooker?

Choices

Choice (4) Response

a.

Magnesium

b.

Alnico

c.

Duralumin

d.

Nickel Steel

Question number: 1456

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Sulphur dioxide can act as?

Choices

Choice (4) Response

a.

Oxidizing agent

b.

Reducing agent

c.

Bleaching agent

d.

All a. , b. and c. are correct

Question number: 1457

» Chemistry » Acids, Bases and Salts

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MCQ▾

Question

Which of the following order is true regarding acid strength?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1458

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

What is the functional group representation for carboxylic acids?

Choices

Choice (4) Response

a.

Chemical reaction : Choice A

Chemical Reaction: Choice A

Chemical reaction

b.

Chemical reaction : Choice B

Chemical Reaction: Choice B

Chemical reaction

c.

Chemical reaction : Choice C

Chemical Reaction: Choice C

Chemical reaction

d.

Chemical reaction : Choice D

Chemical Reaction: Choice D

Chemical reaction

Question number: 1459

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

Which of the following is also known as “Carbinol”?

Choices

Choice (4) Response

a.

b.

c.

d.

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