Advertisements
Advertisements
प्रश्न
“Every Drop Counts” is a slogan related to
विकल्प
counting of drops of any liquid.
counting of water drops.
importance of water.
importance of counting.
Advertisements
उत्तर
importance of water.
Explanation:
The slogan "Every Drop Counts" is related to raising awareness about the importance of water and the need to conserve it. It emphasises that every small amount of water is valuable and should be used wisely to ensure sustainability for the future.
APPEARS IN
संबंधित प्रश्न
Name the four main sources of water.
Give reason of Carbonated drinks are bottled under high pressure.
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:
What is the chemical composition of water ? Give its molecular formula.
What are its causes and how can water pollution be controlled ?
Why is water considered a compound?
How is aquatic life benefited by the fact that water has maximum density at 4oC?
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Explain why:
Fused CaCl2 or conc. H2SO4 is used in a desiccator.
What do you understand by Temporary hardness?
Compare the effect of soaps and detergents on hard water.
Complete the statement by filling the blank with the correct word from the option.
The ratio of hydrogen & oxygen in water is ____.
What is meant by the term ‘oil spill’?
Explain why oil spills have an adverse effect on marine life.
What happens when a spoonful of sugar, sawdust, and soil are added to a glass of water?
How is the life of organisms living in water affected when water gets polluted?
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
Open drain system is a breeding place for which of the following?
Animal waste, oil and urea are some of the organic impurities present in sewage. Name two more organic impurities present in sewage.
Why is there a need for conserving water? Give two reasons.
