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प्रश्न
Water is the most ________ resource on the Earth.
पर्याय
precious
solid
gas
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उत्तर
Water is the most precious resource on the Earth.
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संबंधित प्रश्न
.................... is the purest form of natural 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:
The harmful substances dissolved in water .
Give a reason for the following:
Efflorescence is minimum during humid conditions.
Sea water can be used for irrigation as such.
Nitrogen is used for the treatment of drinking water.
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
Which of the following is waste water?
Animal waste, oil and urea are some of the organic impurities present in sewage. Name two more organic impurities present in sewage.
A man travelling on a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.
