MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is chlor-alkali process? Name its three major products and give one use of each.

Important Questions on Acids, Bases And Salts

HARD
10th CBSE
IMPORTANT

What is bleaching powder? How is it prepared? How does it react with

(i) CO2

(ii) dilute HCl

MEDIUM
10th CBSE
IMPORTANT

Complete the reaction:

Ca(OH)2+Cl2

MEDIUM
10th CBSE
IMPORTANT

Complete the reaction:

CaO+H2O

MEDIUM
10th CBSE
IMPORTANT

Complete the reaction:

NaHCO3Heat

EASY
10th CBSE
IMPORTANT
Acid + Metal  Metal salt + _____ gas.
MEDIUM
10th CBSE
IMPORTANT
pH of 10-5 M HCl solution is _____. 
HARD
10th CBSE
IMPORTANT
Describe an activity to show how do metal carbonate and hydrogen carbonates react with acids. Give equations for one reaction in each case.
HARD
10th CBSE
IMPORTANT
What is pH ? Discuss the role of pH in every day life?