Question

022 In which from zinc metal is used from laboratory to prepare hydrogen ?
(a) Rod
(c) Filing
(b) Powder
(d) Granules​

Answer 1

Answer:

d granules.

zinc granules are used to prepare gas hydrogen

Answer 2

Answer:

Hydrogen is prepared in the lab by the action of acids on metal's dilute. Sulphuric acid is added to granulated zinc. Zinc sulphate or zinc chloride is formed in solution and the hydrogen that is evolved is collected over water in a trough.