Question

Select from A to G the reactants added, to give the products 1 to 5, in

the preparation of hydrogen gas.

A: Dilute alkali

D: Boiling water

G: Dilute acid

B cold water C: Conc, alkali

E: Steam F: Cono, Acid

1. Ca(OH), +H, 2. NaAlO, +

H,

4. Al(SO) H 5. Mg(OH), +H,​

Answer 1

Answer:

A : CaOH

B: H

C : MgOH

D:H

E steam : Al(SO)

F Conc Acid: +H