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प्रश्न
Fill in the blanks.
The elements present in the molecules of water are ______ and _____.
उत्तर
The elements present in the molecules of water are hydrogen and oxygen.
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संबंधित प्रश्न
Why are ice, liquid water, and steam considered to have the same chemical substance?
How is a cloud formed?
How Fog is formed?
Name :
Two chemicals used to destroy germs present in water.
Name :
Two diseases which spread through impure water.
Answer in brief:
How is water in the swimming pool kept free a germ?
Fill in the blank.
Evaporation of rainwater leaves _____residue.
Fill in the blank.
Ice, water, and steam have different physical states but are chemically __________.
Complete the statement by filling in the blanks with the correct words.
________ is the purest form of water. It may dissolve gases like ________forming weak acids.
(sea water/ lake water/rain water ; chlorine/ammonia/carbon dioxide)
Which of the following is a way to use water economically?
