NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1413 - 1421 of 1484

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Question 1413

Question

MCQ▾

The total number of isomers of butane are?

Choices

Choice (4)Response

a.

7

b.

5

c.

4

d.

2

Question 1414

Question

MCQ▾

what is the conjugate acid of

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 1415

Question

MCQ▾

What are x and y in the above reaction?

Choices

Choice (4)Response

a.

and

b.

and

c.

and

d.

and

Question 1416

Question

MCQ▾

What is the chemical formula of super phosphate of lime?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1417

Question

MCQ▾

On the basis of scale and theory, what is the nature of blood?

Choices

Choice (4)Response

a.

Highly alkaline

b.

Neutral

c.

Slightly acidic

d.

Slightly alkaline

Question 1418

Question

MCQ▾

Identify the allotropic of carbon from the following?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1419

Question

MCQ▾

What is the product formed when ethanoic acid react with carbonates along with and ?

Choices

Choice (4)Response

a.

Acetic acid

b.

Ethane

c.

Hydrogen peroxide

d.

Sodium acetate

Question 1420

Question

MCQ▾

Which of the following acids are diprotic acid?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1421

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

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