General Science [NSTSE (National Science Talent Search Exam- Unified Council) Class 3]: Questions 298 - 303 of 960

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Question 298

Question MCQ▾

To protect silk and woolen clothes, we should use:

Choices

Choice (4)Response

a.

Salt solution

b.

Medicines

c.

Benzene solution

d.

Naphthalene balls

Edit

Question 299

Question MCQ▾

If we heat water in a pot on a stove, water changes into water vapor. Now, if we hold a steel plate against the steam, we can see small drops of water on the plate. This formation of small drops of water on the plate is due to:

Choices

Choice (4)Response

a.

Melting

b.

Evaporation

c.

Freezing

d.

Condensation

Edit

Question 300

Question MCQ▾

Match the column A with column B.

Match the Column a and Column B
AB
1. Clayey soil

2. Sandy soil

3. Gravel

4. Loam

a. does not hold water

b. holds sufficient amount of water and air

c. found in deserts and beaches

d. used for making toys and pots

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 301

Question MCQ▾

Condensation is:

Choices

Choice (4)Response

a.

Changing water vapour into water by cooling

b.

Changing ice into water by heating

c.

Changing water into ice by cooling

d.

Changing water into ice by heating

Edit

Question 302

Question MCQ▾

Which of the following is a star?

Choices

Choice (4)Response

a.

Comet

b.

Sun

c.

Moon

d.

Earth

Edit

Question 303

Question MCQ▾

In clay:

Choices

Choice (4)Response

a.

The particles are loosely packed

b.

Particles hold lot of water but little air

c.

It can hold enough water and enough air

d.

The particles can hold any air

Edit