1. 11/10/2015 Reactions of metals and metal compounds

2. 11/10/2015 Testing for hydrogen and salts “POP” 1) Testing for hydrogen: 2) Testing for a salt:

3. 11/10/2015 Reactions 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 H H H

4. 11/10/2015 Testing for carbon dioxide Gas Limewater turns milky/cloudy Limewater

5. 11/10/2015 Reactions 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 H H H C O O O O O O C

6. 11/10/2015 Reactions 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 O O 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 H H O H

7. 11/10/2015 Neutralisation 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 Na Cl H H O H Na 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