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प्रश्न
Fill in the blank:
The type of water softened by addition of washing soda is ______.
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उत्तर
The type of water softened by addition of washing soda is both types.
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संबंधित प्रश्न
Explain how the peculiar variation of density of water with temperature can protect marine-life.
Compare the effect of soaps and detergents on hard water.
Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?
Water changes to ice at ______.
State whether the following statement is True or False. If false, write the correct statement.
Ice is solid whereas snow is the semi-solid form of water
State whether the following statement is True or False. If false, write the correct statement.
Rapid growth of industries is one of the causes for water shortage
A jumbled word is given here. Write the correct form of the word.
WOSN
From where do the following usually get water? In which form is water present in them?
Aquifer
Complete the following chart by writing appropriate words in the boxes marked (a) to (e).
Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.
