MEDIUM
10th CBSE
IMPORTANT
Earn 100
Name three products of the chlor-alkali process. State two uses of each of these products.
Important Questions on Acids, Bases and Salts
MEDIUM
10th CBSE
IMPORTANT
Give a suitable reason for the following statement:
Rainwater conducts electricity but distilled water does not.
EASY
10th CBSE
IMPORTANT
Give suitable reason for the following statement:
We feel burning sensation in the stomach when we overeat.
EASY
10th CBSE
IMPORTANT
Give a suitable reason for the following statement:
The crystals of washing soda change to white powder on exposure to air.
EASY
10th CBSE
IMPORTANT
Give a suitable reason for the following statement:
An aqueous solution of sodium chloride is neutral.
MEDIUM
10th CBSE
IMPORTANT
Baking soda is used in small amount in baking bread and cake. It helps to make these soft and spongy. An aqueous solution of baking soda turns red litmus blue. It is also used in soda-acid fire extinguisher. Use the information to answer the following question:
How does baking soda help to make cakes and bread soft and spongy?
MEDIUM
10th CBSE
IMPORTANT
Baking soda is used in small amount in baking bread and cake. It helps to make these soft and spongy. An aqueous solution of baking soda turns red litmus blue. It is also used in soda-acid fire extinguisher. Use the information to answer the following question:
How does it help in extinguishing fire?
EASY
10th CBSE
IMPORTANT
Baking soda is used in small amount in baking bread and cake. It helps to make these soft and spongy. An aqueous solution of baking soda turns red litmus blue. It is also used in soda-acid fire extinguisher. Use the information to answer the following question:
Is pH value of baking soda solution less than or greater than ?
HARD
10th CBSE
IMPORTANT
State the chemical name and formula of washing soda. Write two chemical equations involved in the preparation of washing soda from baking soda.
