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Solid calcium oxide was taken in a container and water was added slowly to it. i. State the two observations made in the experiment.

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asked Feb 7, 2018 in Chemistry by sforrest072 (157,439 points) ● 63 ● 448 ● 1272

Solid calcium oxide was taken in a container and water was added slowly to it.
i. State the two observations made in the experiment.
ii. Write the name and chemical formula of the product formed.

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+1 vote
answered Feb 7, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 22
selected Feb 7, 2018 by sforrest072
 
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i.   a. Calcium oxide reacts vigorously with water producing hissing sound.
b. The container becomes hot asreaction is exothermic.
ii.   The product formed is calcium hydroxide (slaked lime) and its chemical formula is Ca(OH)2.

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