NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1419 - 1426 of 1483

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Question 1419

Question MCQ▾

Which of the following acids are diprotic acid?

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 1420

Question MCQ▾

The Chemical Reaction

What is X in the above reaction?

Choices

Choice (4)Response

a.

Butanoic acid

b.

Propanoic acid

c.

Ester

d.

None of the above

Edit

Question 1421

Question MCQ▾

Phosphorous pentoxide in mainly used as?

Choices

Choice (4)Response

a.

Drying agent

b.

Reducing agent

c.

Hydrating agent

d.

Oxidizing agent

Edit

Question 1422

Question MCQ▾

this reaction is an example of … process?

Choices

Choice (4)Response

a.

Self reduction

b.

Calcination

c.

Electrolysis

d.

Auto reduction

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Question 1423

Question MCQ▾

Which of the following base is more basic?

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

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Question 1424

Question MCQ▾

Which of the following organic compound present in “Dettol” the antiseptic?

Choices

Choice (4)Response

a.

b.

c.

Phenol

d.

Benzene

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Question 1425

Question MCQ▾

Which of the following metal is used as reducing agent in thermite process?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 1426

Question MCQ▾

Which observation is true from the following reactions

Choices

Choice (4)Response

a.

C is reduced

b.

Metal oxide oxidized

c.

Metal oxide reduced

d.

None of the above

Edit