Advertisements
Advertisements
Question
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | Solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
Advertisements
Solution
| Column I | Column II | ||
| (a) | Ground water | (v) | Water table |
| (b) | Bawri | (iv) | Small water |
| (c) | Snow | (i) | Solid form of water |
| (d) | Drip irrigation | (iii) | Water management |
| (e) | Leaking taps | (ii) | Wastage of water |
APPEARS IN
RELATED QUESTIONS
What is the major source of fresh water in the city/town/village where you live?
Give balanced chemical equation for the reaction of water with Iron .
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 |
What is the smallest particle of water ? Describe it’s structure.
Describe the water-cycle in nature.
What are its causes and how can water pollution be controlled ?
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
What do you understand by soft water?
Give a balanced equation for the following conversion:
Magnesium bicarbonate in temporary hard water to magnesium carbonate by boiling.
Complete the statement by filling the blank with the correct word from the option.
Kerosene & water form a _______ mixture.
Name one substance which is ‘deliquescent’.
Give a reason for the following:
Efflorescence is minimum during humid conditions.
Name or state the following:
A deliquescent salt of a trivalent metal.
Differentiate between the following:
Natural water and treated water
Mountains helps to regulate the temperature of our earth.
How is the life of organisms living in water affected when water gets polluted?
A jumbled word is given here. Write the correct form of the word.
WOSN
From where do the following usually get water? In which form is water present in them?
Clouds
Pick from the following one chemical used to disinfect water.
Why should we not throw used tea leaves into sink?
