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प्रश्न
Household detergents contain mainly ______ and pollute water bodies.
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उत्तर
Household detergents contain mainly phosphates and pollute water bodies.
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संबंधित प्रश्न
Name the two gases from which water is formed. What is the chemical composition of these two gases in water ?
Match the statements in column A with that in column B.
| Column A | Column B |
| (a) deliquescent substance | (1) sodium bicarbonate |
| (b) hygroscopic substance | (2) magnesium chloride |
| (c) efflorestance substance | (3) conc. sulphuric acid |
| (d) substance causing temporary hardness | (4) washing soda |
Give one word for the following statement:
A mixture of common salt and ice .
Describe the water-cycle in nature.
What causes the violence associated with torrential rain?
What is the effect of impurities present in the water on the melting point and boiling point of water?
State what is potable water. Give its qualities or characteristics which make it fit for human consumption.
Select the correct word from the words in option to complete the sentence:
If pressure on the surface of water increases its boiling point ____ and freezing point ____.
Water is the most ________ resource on the Earth.
State whether the following statement is True or False. If false, give the correct statement.
51% of the earth’s surface is covered with water
