1. Reactions of metals and metal compounds
19/11/2018
Reactions of metals and metal compounds
W Richards
Worthing High School

2. Testing for hydrogen and salts
19/11/2018
1) Testing for hydrogen:
“POP”
2) Testing for a salt:

3. Reactions of metals with acids
19/11/2018
METAL + ACID SALT + HYDROGEN
e.g. magnesium + hydrochloric acid magnesium chloride + hydrogen Mg H Cl
Copy and complete the following reactions:
Calcium + hydrochloric acid
Zinc + hydrochloric acid
Iron + hydrochloric acid
Lithium + sulphuric acid

4. Testing for carbon dioxide
19/11/2018
Gas
Limewater
Limewater turns milky/cloudy

5. Reactions of metals carbonates with acid
19/11/2018
A metal carbonate is a compound containing a metal, carbon and oxygen.
METAL CARBONATE + ACID SALT + CARBON DIOXIDE + WATER Mg H Cl C O
Copy and complete the following reactions:
Magnesium carbonate + hydrochloric acid
Calcium carbonate + hydrochloric acid
Sodium carbonate + sulphuric acid

6. Reactions of metal oxides with acid
19/11/2018
A metal oxide is a compound containing a metal and oxide. They are sometimes called BASES. For example: Mg O Na Al
Magnesium oxide
Sodium oxide
Aluminium oxide
METAL OXIDE + ACID SALT + WATER Mg O H Cl
Copy and complete the following reactions:
Magnesium oxide + hydrochloric acid
Calcium oxide + hydrochloric acid
Sodium oxide + sulphuric acid

7. Neutralisation reactions
19/11/2018
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 Na Cl H O
Copy and complete the following reactions:
Sodium hydroxide + hydrochloric acid
Calcium hydroxide + hydrochloric acid
Sodium hydroxide + sulphuric acid
Magnesium hydroxide + sulphuric acid