3. Solid calcium oxide was taken in a container and water was added to it slowly.
(i) State any two observations made in the experiment.
(ii) Write the name and chemical formula of the product.
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Answer:When calcium oxide is added to water it forms calciun hydroxide Called slaked lime. The reaction between water and CaO is an exothermic reaction. Heat is released during exothermic reaction ,rise in temperature is observed
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