Advertisements
Advertisements
प्रश्न
Which of the following does not show water shortage?
विकल्प
Taps running dry.
Long queues for getting water.
Marches and protests for the demand for water.
A family gets three buckets of water per person per day.
उत्तर
A family gets three buckets of water per person per day.
Explanation:
The United Nations has recommended that a minimum of 50 litres of water should be available to each of us per person per day for drinking, washing, cooking and cleaning. This amount is about two and a half buckets of water per person per day. Therefore, a family getting three buckets of water per person per day does not show a water shortage.
APPEARS IN
संबंधित प्रश्न
Name the two gases from which water is formed. What is the chemical composition of these two gases in water ?
Answer the following question:
Why is acid added to water before electrolysis ?
Explain why:
Rivers and lakes do not freeze easily?
What do you understand by soft water?
Compare the effect of soaps and detergents on hard water.
Why is it said that water is life?
Name the solute, solvent & solution in the statement – ‘sodium chloride dissolves in water to give sodium chloride solution’. Define each of the terms in italics.
Fill in the blank:
The sample of hard water which lathers with soap after boiling and filtration contains _____.
Name a deliquescent substance’.
What is meant by the term ‘oil spill’.
State the importance of water for all general uses.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
What happens when a spoonful of sugar, sawdust, and soil are added to a glass of water?
If, at some place, it did not rain for a very long period of time, what would be its effect on the life of the people there?
Among the given options, which one is not correct for the use of large amounts of fertilisers and pesticides?
State whether the following statement is True or False. If false, write the correct statement
The rapid growth of industries is one of the causes of water shortage.
Pick from the following one chemical used to disinfect water.
In a filtration, plant water is filtered using layers of
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.
In which of the following activities will you use minimum amount of water?