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प्रश्न
Fill in the blank:
The type of water softened by addition of washing soda is ______.
उत्तर
The type of water softened by addition of washing soda is both types.
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संबंधित प्रश्न
Give balanced chemical equation for the reaction of water with Sodium oxide.
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 |
Explain rain water harvesting.
Why is it said that water is life?
Give a balanced equation for the following conversion:
Sulphur dioxide to sulphurous acid using a neutral liquid.
True or false? Correct the wrong statement.
We get rainwater throughout the year.
What is needed to construct a rain water harvesting pit?
The jumbled word is given here. Write the correct form of each word.
QUIFERA
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.
Why should we not throw cooking oil and fats down the drain?
