NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1455 - 1461 of 1732

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Question 1455

Question

MCQ▾

Substance used to test the chemical nature of any substance is known as:

Choices

Choice (4)Response

a.

Base

b.

Indicator

c.

Acid

d.

Alkali

Question 1456

Question

MCQ▾

Which of the following is a synthetic indicator?

Choices

Choice (4)Response

a.

Hydrangea

b.

Methyl Orange

c.

Litmus paper

d.

Question does not provide sufficient data or is vague

Question 1457

Question

MCQ▾

Acids when react with carbonates and bicarbonates produce which gas?

Choices

Choice (4)Response

a.

Hydrogen

b.

Carbon

c.

Carbon dioxide

d.

Question does not provide sufficient data or is vague

Question 1458

Question

MCQ▾

is known as:

Choices

Choice (4)Response

a.

Vinegar

b.

Common salt

c.

Lime water

d.

None of the above

Question 1459

Question

MCQ▾

Which of the following compound contains weak base?

Choices

Choice (4)Response

a.

Antacid

b.

Bleach

c.

Soft drinks

d.

Coffee

Question 1460

Question

MCQ▾

Horizon B is also known as:

Choices

Choice (4)Response

a.

Bed rock

b.

Top soil

c.

Sub soil

d.

None of the above

Question 1461

Question

MCQ▾

Which of the following statement is not true for loamy soil?

Choices

Choice (4)Response

a.

It is mixture of sandy and clay soil.

b.

It is considered best soil for the growth of plants.

c.

Loamy soil is use to make pots.

d.

All of the above

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