Assertion(A): Powdered substances are more effective adsorbents than their crystalline forms
Reason(R): Powdered substance has more surface area and the extent of adsorption increases with the increase of the surface area of the adsorbent.
1. Both assertion and reason are true, and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
3. Assertion is true but the reason is false.
4. Assertion is false but the reason is true.
Subtopic: Adsorption and Absorption |