Question

1. Copper plus sulfur produces copper (1) sulfide

Cu + S-
Cu₂S
2. Sodium plus water produces sodium hydroxide plus hydrogen gas
Na + H₂O-
NaOH + H₂
3. Rust or iron(III) oxide can be formed from iron plus oxygen
Fe +_0₂-
Fe₂O,
HCI
4. BaCl
5. P+ 0₂-
H₂SO,
-
P40₁0
.
7. KC1O, KC+0₁
ксю, . ка
-
BaSO, +
6. CH₂ +0,- CO₂ + H₂O
8. Cu + AgNO, → Cu(NO)); +
Ag
F10

Answer 1

Na + H₂O-

NaOH + H₂

3. Rust or iron(III) oxide can be formed from iron plus oxygen

Fe +_0₂-

Fe₂O,

HCI

4. BaCl

5. P+ 0₂-

H₂SO,

-

P40₁0

.

7. KC1O, KC+0₁

ксю, . ка

-

BaSO, +

6. CH₂ +0,- CO₂ + H₂O

8. Cu + AgNO, → Cu(NO)); +

Ag

F10