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What percentage of the earth's surface is covered with water?

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Important Questions on Water

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Science>Chemistry>Water>Necessity of Water
Water expands on reducing its temperature below _____ °C.
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Science>Chemistry>Water>Necessity of Water
Why is water essential for us? Explain.
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Science>Chemistry>Water>Necessity of Water
This is given in case of dehydration _____ solution. (oral dehydration/ oral rehydration)
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Science>Chemistry>Water>Necessity of Water
 A human body has _____ water by weight. (70%, 30% )
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Science>Chemistry>Water>Necessity of Water
How is water important for the functioning of bodies of living organisms like plants and animals?
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Science>Chemistry>Water>Necessity of Water
Mixing of oxygen in water is an example of a solution with:
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Science>Chemistry>Water>Necessity of Water
The extent of which a substance gets dissolved in a liquid is called _____.
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Science>Chemistry>Water>Necessity of Water
In what ways does your body lose water?
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Science>Chemistry>Water>Necessity of Water
We can survive without water for at least a month.
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Science>Chemistry>Water>Necessity of Water

Nearly 71 % of the earth's surface is covered with _____.

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Science>Chemistry>Water>Necessity of Water
We should drink _____ litres of water every day.
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Science>Chemistry>Water>Necessity of Water
Our bodies do not contain any water.
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Science>Chemistry>Water>Necessity of Water
Why does the earth appear blue from space?
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Science>Chemistry>Water>Necessity of Water

Fill in the blank using the word given below.

(Uniform, atmosphere, humus, kilograms/grams, hydroelectric)

Water is used to generate _____ power.

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Science>Chemistry>Water>Necessity of Water
Which of the following contains maximum quantity of water in it?
HARD
Science>Chemistry>Water>Necessity of Water
Why is water necessary for our body?
 
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Science>Chemistry>Water>Necessity of Water
Which of these forms most of our body weight?
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Science>Chemistry>Water>Necessity of Water
All living things need water.
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Science>Chemistry>Water>Necessity of Water
The percentage of water in the human body is
HARD
Science>Chemistry>Water>Necessity of Water
How is water important for functioning of bodies of living organisms like plants and animals?