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प्रश्न
Name the gas produced when a piece of calcium is added to water.
उत्तर
Hydrogen
APPEARS IN
संबंधित प्रश्न
Give one word for the following statement :
The change of states of water from one form to another .
How are natural springs of water formed ?
Identify A, B, C and D; first one is done for you.
Explain why:
Fused CaCl2 or conc. H2SO4 is used in a desiccator.
Give a reason why alcohol and water form a miscible mixture while oil & water do not.
Suggest some ideas to save rainwater in your school.
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below
- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
The jumbled word is given here. Write the correct form of each word.
QUIFERA
From where do the following usually get water? In which form is water present in them?
Animals
Look at Fig. 14.1.
Write down activities shown in this figure in which water is being used.
