NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1462 - 1469 of 1484

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Question 1462

Question

MCQ▾

Methane is used as fuel, because of its property?

Choices

Choice (4)Response

a.

It is odourless

b.

It is gas

c.

It burns exothermically

d.

It has low boiling point

Question 1463

Question

MCQ▾

Which of the following metal is purified by Mond method?

Choices

Choice (4)Response

a.

Nickel

b.

Magnesium

c.

Aluminium

d.

Iron

Question 1464

Question

MCQ▾

which species is known as Arrhenius base in the above reaction?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1465

Question

MCQ▾

… is uses as flux in the extraction of iron?

Choices

Choice (4)Response

a.

Feldspar

b.

Limestone

c.

Flint

d.

Silica

Question 1466

Question

MCQ▾

Which of the following product is formed when ethanol reacts with sodium?

Choices

Choice (4)Response

a.

Sodium ethanol

b.

Sodium ethoxide

c.

Sodium ethanoate

d.

Sodium acetate

Question 1467

Question

MCQ▾

Which one of the following equation in the regarding acid strength acid strength (or) equilibrium constant?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1468

Question

MCQ▾

which substance can acts as basic flux in the above reaction?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1469

Question

MCQ▾

Which of the following metal is used in manufacture of solder?

Choices

Choice (4)Response

a.

Copper

b.

Lead

c.

Tin

d.

Both b. and c. are correct

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