1.

When a lot of dry powder of a substance X is released over a fire, the fire gets extinguished. (a) Name the substance X. (b) How does this substance extinguish the fire ? (c) Name another susbtance which behaves like X.

Answer»

When a lot of dry powder of a substance X is released over a fire, the fire gets extinguished.

(a) Name the substance X.

(b) How does this substance extinguish the fire ?

(c) Name another susbtance which behaves like X.



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