1. CHEMISTRY DEPARTMENT WAID ACADEMY Metals

2. Which of the metals shown can be found uncombined in the Earth's crust? 20 1.Magnesium 2.Aluminium 3.Sodium 4.Copper

3. Which of the metals shown is extracted from its ore using electricity? 20 1.Copper 2.Aluminium 3.Iron 4.Silver

4. Which metal is extracted from its ore by heating the ore with carbon in a Blast furnace? 20 1.Iron 2.Gold 3.Aluminium 4.Silver

5. Which non-metal element is a conductor of electricity? 20 1.Sulphur. 2.Phosphorus. 3.Iodine. 4.Carbon.

6. Which of the metals shown is a soft, high density metal used for radiation protection? 30 1.Aluminium 2.Lead. 3.Copper. 4.Mercury.

7. Use the data booklet to find out which of the metals shown has the highest density. 30 1.Calcium. 2.Iron. 3.Gold. 4.Silver.

8. Which metal reacts violently with water? 20 1.Aluminium 2.Copper. 3.Iron. 4.Sodium.

9. Which metal does not react with dilute acid? 20 1.Magnesium. 2.Copper. 3.Zinc. 4.Iron.

10. The test for hydrogen gas is that it 20 1.relights a glowing splint. 2.turns lime water milky. 3.turns pH paper red. 4.burns with a 'pop'.

11. Which of the metals shown is the most reactive? 20 1.Magnesium. 2.Copper. 3.Zinc. 4.Iron.