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.​

Answer 1

Answer:

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.Read more on Sarthaks.com - https://www.sarthaks.com/32173/describe-an-activity-to-observe-what-happens-when-quick-lime-is-added-to-water-taken-beaker