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प्रश्न
The water in a lake is called ground water.
विकल्प
True
False
उत्तर
This statement is False.
संबंधित प्रश्न
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 |
Answer the following question:
Name two gases dissolved in natural water.
State whether the given statement are true or false. If true, write the reason.
Ganga−Brahmaputra plain of India is an overpopulated region.
How do fishes and aquatic animals survive when the pond gets covered with thick ice?
Explain the following observation:
Washing-soda become coated with a white powder when left exposed to the atmosphere.
Which of the following does not show water shortage?
Which of the following is wastewater?
What is saltwater?
Water in our tap comes from a
Look at Fig. 14.1.
Write down activities shown in this figure in which water is being used.
