Advertisements
Advertisements
प्रश्न
Cleaning of water is a process of removing ______.
Advertisements
उत्तर
Cleaning of water is a process of removing pollutants.
APPEARS IN
संबंधित प्रश्न
Name the gas produced when a piece of calcium is added to water.
Name the gas produced when fossil fuel is burnt.
Use of excessive .................... by farmers causes water pollution.
Give any three important uses of water.
A captain of ship will tell you that an iceberg is much bigger than it looks. Why is it so ?
Explain rain water harvesting.
Give a reason why alcohol and water form a miscible mixture while oil & water do not.
Complete the statement by filling the blank with the correct word from the option.
Kerosene & water form a _______ mixture.
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?
Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?
Suggest some ideas to save rainwater in your school.
Water levels in rivers increase greatly during ______.
Nitrogen is used for the treatment of drinking water.
State whether the following statement is True or False. If false, give the correct statement.
Snow and ice both are solid forms of water
From where do the following usually get water? In which form is water present in them?
Clouds
What is water?
Wells are fed by ______.
Dissolve two spoons of common salt in half a cup of water. Now if you want to get the salt back, what will you do?
