Explain why finely divided substance is more effective as an adsorbent.

A catalyst in the finely divided state is more efficient because in this state ________.

Carbon black is carbon in a very finely divided state. It is used to make paints and printers ink. It is obtained by the thermal decomposition of

What are diamagnetic substances? Explain why diamagnetic substances are repelled by external magnetic field ?

Explain why is modulation needed.

Give Reason: Explain why aldehydes are more reactive than ketones towards nucleophitic attack

Explain how Trichoderma species are effective bio-control agents?

Explain how food and other substances are transported in plants? OR Explain translocation in plants.

Explain why solids have definite shape and volume?

Why is finely divided nickel used in hydrogenation of oil?

Explain why an ammeter must have a low resistance .