MEDIUM
7th Chhattisgarh Board
IMPORTANT
Earn 100

The gas used to extinguish the fire in a fire extinguisher is.
(a)oxygen
(b)hydrogen
(c)carbon dioxide
(d)nitrogen

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Important Questions on Acids, Bases and Salts
MEDIUM
7th Chhattisgarh Board
IMPORTANT

EASY
7th Chhattisgarh Board
IMPORTANT

EASY
7th Chhattisgarh Board
IMPORTANT

MEDIUM
7th Chhattisgarh Board
IMPORTANT

MEDIUM
7th Chhattisgarh Board
IMPORTANT

EASY
7th Chhattisgarh Board
IMPORTANT

MEDIUM
7th Chhattisgarh Board
IMPORTANT

MEDIUM
7th Chhattisgarh Board
IMPORTANT
