1. Aluminium and copper are examples of non-metals used for making utensils and statues.

2. Metals form oxides when combined with oxygen, the solution of which turns blue litmus paper to red.

3. Oxygen is a non-metal essential for respiration.

4. Copper vessels are used for boiling water because they are good conductors of electricity.

5. Why are only a few metals suitable for making jewellery?

6. Used in electrical wiring — choose the correct jumbled name of the metal/non-metal from the list: ENXYGO, NECOHIRL, PEPORC, TENGOINR, OGDL.

7. Most malleable and ductile — choose the correct jumbled name of the metal/non-metal from the list: ENXYGO, NECOHIRL, PEPORC, TENGOINR, OGDL.

8. Living organisms cannot survive without it — choose the correct jumbled name of the metal/non-metal from the list: ENXYGO, NECOHIRL, PEPORC, TENGOINR, OGDL.

9. Plants grow healthy when fertilisers containing it are added to the soil — choose the correct jumbled name of the metal/non-metal from the list: ENXYGO, NECOHIRL, PEPORC, TENGOINR, OGDL.

10. Used in water purification — choose the correct jumbled name of the metal/non-metal from the list: ENXYGO, NECOHIRL, PEPORC, TENGOINR, OGDL.