MEDIUM
10th CBSE
IMPORTANT
Earn 100

Why should both sodium metal and ethanol be dry when they are made to react?

Important Questions on Carbon and its Compounds
MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT
Read the above passage and answer the following questions:
(i) What are the advantages of using detergents over soaps for washing purpose.
(ii) Why detergents have higher cleansing power than soaps?
(iii) How can water pollution be prevented by use of non-biodegradable detergents?

MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT
