1.

if we bring a matchstick near the mouth of the test tube in which a reaction between zinc metal and dilute HCl is taking place we observed that a. the matchstick burns faster b. a gas evolves which burns with a Pop sound c. the matchstick extinguishes d. a gas evolves which turns limewater milky

Answer»

It BURNS with a POP sound



it is BLUE in COLOR

it is HYDROGEN gas



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