Question

A substance x taken in beaker and water is poured slowly and it forms bubbles and hissing noise and beaker heats up find x

Answer 1

Answer:

If the beaker becomes hot after addition of water. So, we can say that the Reaction is Exothermic in nature. And student also notice bubbles with hissing noise on adding of Water. So, we come to know that the given substance is Calcium Oxide (CaO).

Explanation:

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