Copper
Hydrochloric acid
Cu
Copper chloride
Cu
Cl
Copper oxide
Cu
Cl
O
Hydrogen
H
Nitric acid
H
H
H
O
N
O
O
Copper nitrate
O
Cu
N
N
O
Zinc
water
O
O
H
H
O
O
O
Zinc nitrate
Zn
Hydrogen
O
N
N
N
O
O
H
O
Zn
O
Nitric acid
Cl
O
O
H
H
O
O
Calcium carbonate
O
O
Calcium sulphate
O
O
S
C
Ca
sulfuric acid
Ca
O
O
O
O
Carbon dioxide
O
O
C
O
H
O
H
S
H
H
O
+ water
Calcium oxide
Ca
Hydrochloric acid
O
Calcium chloride
Ca
Cl
water
H
Nitric acid
H
H
Cl
H
O
Cl
calcium hydroxide
H
O
N
O
Ca
O
Calcium nitrate
O
Zinc
H
water
O
Ca
O
O
O
Zinc sulfate
O
Zn
H
H
O
N
N
O
O
O
O
Zn
S
O
O
H
sulfuric acid
Hydrogen
O
S
H
O
H
O
H
O
zinc carbonate
O
O
nitric acid
O
N
N
O
O
Carbon dioxide
O
O
O
C
Zn
O
zinc nitrate
Zn
O
O
C
O
H
O
H
O
H
N
O
+ water
Calcium
Hydrochloric acid
Ca
Zinc chloride
Cu
Cl
Sodium oxide
Na
Cl
O
Hydrogen
H
Nitric acid
H
H
H
O
N
Na
O
O
Sodium nitrate
water
O
Na
N
Cl
H
H
O
O
O
Sodium
O
Sodium nitrate
Na
N
O
Na
O
Sulfric acid
O
O
Hydrogen
O
H
H
S
O
H
Copper carbonate
O
O
Na
C
O
O
O
O
Sodium sulphate
O
Cu
sulfuric acid
H
O
S
O
Na
Carbon dioxide
O
C
O
H
O
H
S
H
H
O
+ water
Sodium
Hydrochloric acid
Na
Sodium chloride
water
Na
H
Cl
H
O
H
Cl
sodium hydroxide
Sulfuric acid
H
O
O
O
H
Sodium carbonate
water
O
O
C
H
H
O
O
Na
Carbon dioxide
O
C
O
Copper sulfate
O
S
Cu
+ water
H
O
H
sulfuric acid
O
S
Na
Na
O
H
S
O
H
Hydrogen
O
O
O
H
H
O
H
O
Hydrochloric acid
nitric acid
H
Cl
Hydrochloric acid
Carbon dioxide
O
H
Cl
O
C
O
H
O
H
O
H
N
O
+ water