BALANCE THE EQUATION:
i Calcium +oxygen= calcium oxide
ii . calcium+water=calcium hydroxide + hydrogen
iii. zinc+ sulphuric acid=zinc sulphate+hydrogen
iv. lead sulphate+ ammonium hydroxide= ammonium sulphate + lead hydroxide
v. copper hydroxide + nitric acid= copper nitrate + water
vi. lead nitrate + sodium chloride= sodium nitrate- lead chloride
Answers
Answer:
Calcium +oxygen=calcium oxide 2ca+O2=2CaO
Answer:
Write the balanced chemical equations for the following reactions.
(a) Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water
(b) Zinc + Silver nitrate → Zinc nitrate + Silver
(c) Aluminium + Copper chloride → Aluminium chloride + Copper
(d) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride
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ANSWER
(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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Balancing Chemical Equations-II
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