MEDIUM
10th CBSE
IMPORTANT
Earn 100

What does a soda-acid type of fire extinguisher contain? How does it work? Explain the working of a soda-acid fire extinguisher with the help of a labelled diagram.

Important Questions on Acids, Bases And Salts
MEDIUM
10th CBSE
IMPORTANT
Name a sodium compound used for softening hard water.

EASY
10th CBSE
IMPORTANT
Which compound of calcium is used for disinfecting drinking water supply?

EASY
10th CBSE
IMPORTANT
Name a metal compound which has detergent properties (cleansing properties).

EASY
10th CBSE
IMPORTANT
Name one compound of calcium which is used for removing the colour of coloured cloth.

EASY
10th CBSE
IMPORTANT
State a peculiar (or remarkable) property of plaster of Paris.

EASY
10th CBSE
IMPORTANT
Name the substance obtained by the action of chlorine on solid (dry) slaked lime.

MEDIUM
10th CBSE
IMPORTANT
What is gypsum? What happens when gypsum is heated to ?

EASY
10th CBSE
IMPORTANT
Name a sodium compound which is used for making borax and glass.
