Advertisements
Advertisements
प्रश्न
Name the gas produced when a piece of calcium is added to water.
Advertisements
उत्तर
Hydrogen
APPEARS IN
संबंधित प्रश्न
Give reason of Alcohol is mixed with water and is used in car radiator.
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
Answer the following question:
Name two gases dissolved in natural water.
What causes the violence associated with torrential rain?
Compare the effect of soaps and detergents on hard water.
Give a balanced equation for the following conversion:
Calcium sulphate in permanent hard water to calcium carbonate using sodium carbonate.
Fill in the blank:
The sample of hard water which lathers with soap after boiling and filtration contains _____.
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
A jumbled word is given here. Write the correct form of the word.
WOSN
Wells are fed by ______.
