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1. 23/09/15
Reactions of metals andReactions of metals and
metal compoundsmetal compounds

2. 23/09/15
Testing for hydrogen and saltsTesting for hydrogen and salts
“POP”
1) Testing for hydrogen:
2) Testing for a salt:

3. 23/09/15
Reactions of metals with acidsReactions of metals with acids
Copy and complete the following reactions:
1) Calcium + hydrochloric acid
2) Zinc + hydrochloric acid
3) Iron + hydrochloric acid
4) Lithium + sulphuric acid
METAL + ACID SALT + HYDROGEN
e.g. magnesium + hydrochloric acid magnesium chloride + hydrogen
Mg
H Cl Mg
Cl
Cl
H
H
H Cl

4. 23/09/15
Testing for carbon dioxideTesting for carbon dioxide
Gas
Limewater turns
milky/cloudy
Limewater

5. 23/09/15
Reactions of metals carbonates with acidReactions of metals carbonates with acid
A metal carbonate is a compound containing a metal, carbon and oxygen.
METAL CARBONATE + ACID SALT + CARBON DIOXIDE + WATER
Copy and complete the following reactions:
1) Magnesium carbonate + hydrochloric acid
2) Calcium carbonate + hydrochloric acid
3) Sodium carbonate + sulphuric acid
Mg H Cl
Mg
Cl
Cl
HH
H Cl
C
O
O
O
O
O
O
C

6. 23/09/15
Reactions of metal oxides with acidReactions of metal oxides with acid
A metal oxide is a compound containing a metal and oxide. They are
sometimes called BASES. For example:
Mg
O Na
Na
O
O
Al
Al
O
O
Magnesium oxide Sodium oxide Aluminium oxide
METAL OXIDE + ACID SALT + WATER
Copy and complete the following reactions:
1) Magnesium oxide + hydrochloric acid
2) Calcium oxide + hydrochloric acid
3) Sodium oxide + sulphuric acid
Mg
O
H Cl
Mg Cl
Cl
H
H
OH Cl

7. 23/09/15
Neutralisation reactionsNeutralisation reactions
A neutralisation reaction occurs when an acid reacts with an alkali. An
alkali is a metal oxide or metal hydroxide dissolved in water.
ACID + ALKALI SALT + WATER
NaCl
H
H
OH ClNa
O
H
Copy and complete the following reactions:
1) Sodium hydroxide + hydrochloric acid
2) Calcium hydroxide + hydrochloric acid
3) Sodium hydroxide + sulphuric acid
4) Magnesium hydroxide + sulphuric acid