EASY
10th ICSE
IMPORTANT
Earn 100

Define deliquescence. Give examples.

Important Questions on Acids, Bases and Salts

EASY
10th ICSE
IMPORTANT
What name is given to the water in the compound copper sulphate-5-water?
EASY
10th ICSE
IMPORTANT

If copper sulphate-5-water is heated, anhydrous copper sulphate is formed. What is its colour?

EASY
10th ICSE
IMPORTANT
By what means, other than heating, could you dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
EASY
10th ICSE
IMPORTANT
Which one of the salts in the given list is deliquescent? Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water.
EASY
10th ICSE
IMPORTANT
State your observation when washing soda crystals is exposed to air.
EASY
10th ICSE
IMPORTANT
State your observation when Iron (III) chloride salts are exposed to the atmosphere.
EASY
10th ICSE
IMPORTANT

Give reasons for the following, Sodium hydrogen sulphate is not an acid, but it dissolves in water to give hydrogen ions according to the equation,

 NaHSO4H++Na++SO42-.

EASY
10th ICSE
IMPORTANT
Give reasons for the following, anhydrous calcium chloride is used in a desiccator.