Across
- 2. to make electrical wire, electrical motor, dynamo and coins (cupronickel alloy)
- 3. the gamma rays emitted from this radioactive element is used to kill cancer cells
- 5. production of steel
- 7. to make soap
- 8. Used in the hydrogenation, of unsaturated oil to produce margarine.
- 9. Used in the production of duralumin alloy for use in the construction of aeroplane bodies
- 10. to make matches,firework and for the manufacture of sulphuric acid
Down
- 1. uses in cooking and basically we called it as salt
- 2. To kill germs in drinking water
- 4. to manufacture fertiliser, nitric acis and explosives
- 6. Basically used to make microchips