Question

when we add water to the following substance which one will show a chemical changes.
(a)salt
(b) oil
(c)sugar
(d) quicklime​

Answer 1

When we add water to it, it gives Slaked lime which is highly exothermic. This reaction cannot be reversed by any physical or chemical method. Hence, this reaction will show a chemical change. If we add water to salt, sugar and oil so, they can be reversed by physical or chemical method.

Answer 2

Answer:

d) quick line

it is the answer