Advertisements
Advertisements
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 |
Advertisements
उत्तर
| Column A | Column B |
| (a) deliquescent substance | (2) magnesium chloride |
| (b) hygroscopic substance | (3) conc. sulphuric acid |
| (c) efflorestance substance | (4) washing soda |
| (d) substance causing temporary hardness | (1) sodium bicarbonate |
APPEARS IN
संबंधित प्रश्न
Name the two gases from which water is formed. What is the chemical composition of these two gases in water ?
Give the molecular formula of water ?
.................... is the purest form of natural water.
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Explain any two environmental impacts of an ‘oil spill’.
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
A jumbled word is given here. Write the correct form of the word.
QUIFERA
In which of the following activities will you use minimum amount of water?
Wells are fed by ______.
Construct a crossword puzzle of your own using the keywords.
