Question

when:
write chemical equations for the seaction taking place
(1) Iron is strongly heated with water,
((11) Al₂O3 with NaOH.
() Zn with NaOH.​

Answer 1

The balanced equations are as follows:

1. Zinc oxide dissolves in sodium hydroxide:

Zinc oxide

ZnO

(s)

+

Sodium Hydroxide

2NaOH

(aq.)

→

Sodium Zincate

Na

2

ZnO

2(aq.)

+

Water

H

2

O(l)

2. Zinc is heated with sodium hydroxide solution:

Zinc

Zn

(s)

+

Sodium Hydroxide

2NaOH

(aq.)

→

Heat

Sodium Zincate

Na

2

ZnO

2(aq.)

+

Hydrogen

H

2(g)

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