NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 407 - 412 of 1058

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Question number: 407

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Question

MCQ▾

Two pipes A and B can separately fill a tank in 12 min and 15 min, respectively. Both the pipes are opened together but 4 min after pipe A is turned off. How much time does pipe B will take to fill the tank?

Choices

Choice (4)Response

a.

8 min

b.

6 min

c.

12 min

d.

11 min

Question number: 408

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Question

MCQ▾

The important factor that influences the distribution of temperature is

Choices

Choice (4)Response

a.

isolation

b.

pressure

c.

heat

d.

solar energy

Question number: 409

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Question

MCQ▾

Which of the following fact is not true about sodium hydrogen carbonate?

Choices

Choice (4)Response

a.

Its white crystals are sparingly soluble in water

b.

It is used as a raising agent in making cakes

c.

It is also used in making ‘Borax’

d.

It is commonly known as baking soda

Question number: 410

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Question

MCQ▾

Ammonia on combining with hydrochloric acid, form dense white fumes of

Choices

Choice (4)Response

a.

ammonium hydrogen carbonate

b.

ammonium chloride

c.

ammonium perchlorate

d.

All of the above

Question number: 411

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Question

MCQ▾

In India large population is employed in

Choices

Choice (4)Response

a.

unorganized sector

b.

semi-organized sector

c.

organized sector

d.

All of the above

Question number: 412

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Question

MCQ▾

As we go up the layers of the atmosphere, the pressure

Choices

Choice (4)Response

a.

increases

b.

remains the same

c.

decreases

d.

Question does not provide sufficient data or is vague