MEDIUM
10th Bihar Board
IMPORTANT
Earn 100

The chemical formula of Gypsum is 
 

50% studentsanswered this correctly

Important Questions on Acids, Bases and Salts

HARD
10th Bihar Board
IMPORTANT

Name the sodium compound which is used for softening hard water. 

HARD
10th Bihar Board
IMPORTANT
What is the chemical name of baking soda? Write its preparation, properties and uses.