Question

$\large\mathbf{HEY\: QUESTION❤}$


Describe an activity to observe what happens when quick lime is added to water taken in a beaker. State two important observations and name the type of reaction taking place?

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Answer 1

Answer:

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

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Answer 2

$\fbox\blue{ Answer}$

• Take small quantity of CaO in a beaker .

• Slowly add water to the quicklime CaO taken in the beaker.

• Touch the beaker with fingers and make a note of the change in the temperature.

Observations –

• Quick lime react vigorously with water producing hissing sound.

• 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.

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