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Deecribe an activity that will explain when we add quick lime in water what will happen?

Posted by Sneha Thakur 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Gaurav Seth 5 years, 3 months ago

i. Take small quantity of quick lime (CaO) in a beaker.
ii. Slowly add water to thequick lime (CaO) taken in the beaker.
iii. Touch the beaker with fingers and make a note of the change in temperature.

Observations:
i. Quick lime reacts vigorously with water producing hissing sound.
ii. Beaker becomes hot.

Inferences:

Quick lime (calcium oxide) reacts with water vigorously to form calcium hydroxide and releases large amount of heat.

It is an example of a combination reaction as well as an exothermic reaction.

2Thank You

ANSWER

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