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प्रश्न
A jumbled word is given here. Write the correct form of the word.
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संबंधित प्रश्न
Give reason for Silica gel pouches are kept in unused water bottle.
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Answer the following question:
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Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
What do you understand by Temporary hardness?
Compare the effect of soaps and detergents on hard water.
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Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
Explain the following observation:
Washing-soda become coated with a white powder when left exposed to the atmosphere.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
Which are the three states of water?
If, at some place, it did not rain for a very long period of time, what would be its effect on the life of the people there?
Water changes to ice at ______.
What is saltwater?
Look at the figure.

Write down activities shown in this figure in which water is being used.
