Name the following :
Process used to remove starch from the leaves.

A chemical used to test starch .

Name of the following Process by which ethane is obtained from ethene.

Name the process used for removing salts from saline water.

Name the following term : Process by which impurities from metals are removed electrolytically.

Which one of the following fluxes is used to remove acidic impurities in metallurgical processes?

Name the following chemicals: Used for absorbing oxygen from the air.

Winnowing is a process to remove small stones from ………….grains.

Name the following: The tiny pores on the surface of leaves.