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Earn 100

Take water in a glass. Add a pinch of salt to the water. Stir it with a spoon. What do you see?

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Important Questions on A River’s Tale

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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Why do we need to filter or boil water before drinking?
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
What is a solution? Give two examples.
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Name two insoluble impurities present in water.
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Sugar is _____ in water.
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
When sugar is dissolved in water, the water level
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Which of these kill the germs present in impure water?
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Describe how water can become polluted. What can we do to keep water clean?
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Water from the taps in our homes is safe for drinking. 
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid

Name a solid that dissolves in water.  

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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
What should be used to purify well water?
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Mention two causes of water pollution.  
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Name one solid that does not dissolve in water.
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
_____ is not soluble in water.
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Choose the right word from the given word and fill in the blank.

The solute and solvent together form a _____. (solution/solid)

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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Fill in the blank with a suitable word.
(safety, road, igloo, sick, sun, drink, soft, blows out)
Boiled water is safe to _____.
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
When sugar is dissolved in water, the volume of water remains the same. Why?  
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
What are the causes of water pollution?
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
How do we make water safe for drinking?
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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid

Fill in the blank space with the right word.

_____ (Nitrogen/ Carbon dioxide) is a gas that dissolves in water.

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Environmental Studies>Social Science>A River’s Tale>Water as a Wonder Liquid
Name two things that make the water dirty.