Question

(a).if both assertion and reason are true but reason is the correct explanation of assertion
(b)if both assertion and reason are true but reason is not the correct explanation of assertion.
(c)if assertion is true but reason is false.
(d)if reason is true but assertion is false. Assertion: calcium oxide is a base but not a alkali. Reason: calcium oxide is sparingly soluble in water.​

Answer 1

Answer:

Both assertion and reason are true but reason is the correct explanation of assertion.

Explanation:

In order to know which one is alkali and which one is basic, we need to observe the property of solubility if the given metal oxide is soluble then it is an alkali and if the given metal oxide is insoluble then it is basic.