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lesson 7 water (WWS)

Authored by anand sindham

Science

6th Grade

lesson 7 water (WWS)
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

state is the statement given below correct

" Water is not the solid of life. "

Yes

No

Maybe

Never

Answer explanation

Ans: Water is the liquid of life as we cannot survive without water.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank with any 2 suitable options

" One molecule of water is composed of two

atoms of ________ and one atom of ______.

hydrogen , oxide

hydrogen , nitrogen

hydrogen , oxygen

nitrogen , potash

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Hydrogen and ______ are present in a fixed

proportion of _ is to _ in a water molecule,

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Only about 1% of water on the earth's surface is available and suitable for use

by living beings.

True
False

Answer explanation

Only about 1% of water on the earth's surface is available and suitable for use

by living beings.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the percentage of water in the human body ?

67%

80%

70%

60%

Answer explanation

This is as in the human body only 70% is water and 30% is the muscles and tissue and other organs.

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Even dry grains like wheat, rice, pulses contain _% to _% of water.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is the percentage of carbon dioxide in air.

0.1%to 0.2%

0.5% to 0.6

0.03% to 0.04%

1%to 2 %

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