Water [NSO Level 1- Science Olympiad (SOF) Class 4]: Questions 6 - 10 of 25

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Question 6

Question MCQ▾

What is the correct regarding water?

Choices

Choice (4)Response

a.

It exists in all the three states of matter.

b.

It exists as a gas at .

c.

It has definite shape but no definite volume.

d.

It has no definite volume and shape.

Edit

Question 7

Question MCQ▾

Which of these statements about ice and water are true?

1. Both boil at

2. Both exist at same temperature.

3. When heated, the ice cubes will directly change to steam.

4. Both are different states of water.

Choices

Choice (4)Response

a.

2 and 4

b.

1 and 2

c.

1 and 3

d.

1 and 4

Edit

Question 8

Question MCQ▾

The method that helps to kill germs present in water ________.

Choices

Choice (4)Response

a.

Sedimentation

b.

Filtration

c.

Boiling

d.

All of the above

Edit

Question 9

Question MCQ▾

Water pollution can be caused by ________.

Choices

Choice (4)Response

a.

Reuse of industrial water by factories

b.

Recycling of used water at home.

c.

Oil spills from ships

d.

Decrease in use of pesticides

Edit

Question 10

Question MCQ▾

Rahul is helping to conserve water when he ________.

Choices

Choice (4)Response

a.

Turns off taps when not in use.

b.

Brushes his teeth with water running from the tap

c.

Washes the vegetables under a running tap

d.

Uses water from the drain to cook

Edit