Q. 714.2( 6 Votes )

An element is sof A. magnesium

B. potassium

C. phosphorous

D. aluminium

Answer :

Potassium reacts with water to potassium hydroxide and hydrogen gas. The reaction potassium with water is highly exothermic in nature. It produces a lot of heat energy and this heat energy can cause the hydrogen gas produced during the reaction, to catch fire. In order to keep it safe potassium is stored in kerosene.

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