25. Write balanced equations for the following word equations :
(a) Calcium hydroxide + Ammonium chloride →
Calcium chloride + Water + Ammonia
(b) Potassium bicarbonate —— Potassium carbonate
2
+ Water + Carbon dioxide
+39
2
3.
(c) Potassium bromide + Chlorine →
Potassium chloride + Bromine
fe
Iron [III]
(e) Calcium + water —— Calcium hydroxide + Hydrogen
Potassium nitrate → Potassium nitrite + Oxygen
(g) Iron + Hydrochloric acid
Iron [II] chloride + Hydrogen
(h) Nitrogen dioxide + Water + Oxygen - Nitric acid
(i) Lead dioxide (lead (IV)oxide) -→ Lead monoxide
+ Oxygen
Answers
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Explanation:
a) Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water
Ca(OH)
2
+CO
2
→CaCO
3
+H
2
O
(b) Zinc + Silver nitrate → Zinc nitrate + Silver
Zn+2AgNO
3
→Zn(NO
3
)
2
+2Ag
(c) Aluminium + Copper chloride → Aluminium chloride + Copper
2Al+3CuCl
2
→2AlCl
3
+3Cu
(d) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride
BaCl
2
+K
2
SO
4
→BaSO
4
+2KCl
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