Question

In a beaker take small amount of calcium oxide. When water is added to

it. The temperature of the breaker will increase because:
(a) A suspension of calcium hydroxide is formed
(b) The beaker will be hot when touched
(c) Clear solution appears when suspension of calcium hydroxide
settles down to the bottom of the beaker.
(d) All of the above

Answer 1

D . All of the above

Answer 2

All of the above

Step-by-step explanation:

The reaction which happens inside the beaker is given by

• Calcium oxide+Water—»Calcium hydroxide +∆

∆represents heat

The reaction is an exothermic reaction and it releases heat to the surroundings

• ∆H is positive