In preparation of hydrogen, zinc granules are preferred over pure zinc because they

For the preparation of H_(2) in the laboratory , ............... zinc is preferred over pure zinc because the former is ...............

FM boradcast is preferred over AM broadcast because

FM boradcast is preferred over AM broadcast because

Cross pollination is preferred over self pollination because it

Give reason for the following: In the laboratory preparation of hydroge from zinc and dilute hydrochloric acid- the zinc used is granulated zinc.

Haploid plants are preferred over diploids for mutation studies, because

In the laboratory preparation of hydrogen, pure zinc is not used because

In the laboratory preparation of hydrogen, pure zinc is not used because

Zinc is a

Zinc is a