MEDIUM
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Which of the following acid is used as a component of baking powder?

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Important Questions on Acids, Bases and Salts

MEDIUM

Write the chemical formulae of the following:

(a) Common salt  (b) Slaked lime (c) Bleaching powder.

HARD
What is the chemical formula of baking soda? Give chemical equation used in the preparation.
EASY
Write the chemical formula of bleaching powder? 
EASY
Write two important uses of washing soda and baking soda.
MEDIUM

Answer the following:

A calcium compound having odour of chlorine is used to remove yellowish-white clothes in laundries. Name the compound.

EASY
Write the chemical name, formula and two uses of bleaching powder.
HARD

What is gypsum? What happens when gypsum is heated to 373K?

MEDIUM
Write the chemical name of plaster of Paris. Give one physical property and one use of plaster of Paris.
MEDIUM

Answer the following:

Write the formula of a salt that contains water of crystsllisation.

MEDIUM

State:

The difference between number of molecules in Gypsum and in Plaster of Paris.

EASY

Write the chemical formula of the following:

  1. Bleaching powder
  2. Plaster of Paris
EASY
Write any four uses of washing soda.
EASY

Baking powder is a mixture of baking soda and 

EASY
Why should we store Plaster of Paris in a moisture-proof container? Write its equation.
EASY
What happens when a solution of sodium hydrogen carbonate is heated?
HARD
What is brine? What is the product formed when electricity is passed through this brine? Write the balanced chemical equation for the above reaction.
 
MEDIUM
How is baking soda produced? Write the chemical reaction taking place in its preparation. Give one use of baking soda. 
MEDIUM
Baking soda is used to make cakes light and fluffy. Give any two other uses of baking soda.
MEDIUM
Which of the following is used to purify drinking water?
EASY
Saponification of coconut oil yields glycerol and