Question

1. Give three important uses of:
(a) Carbon dioxide​

Answer 1

Answer:

Carbon dioxide in solid and in liquid form is used for refrigeration and cooling. It is used as an inert gas in chemical processes, in the storage of carbon powder and in fire extinguishers. Metals Industry: Carbon dioxide is used in the manufacture of casting molds to enhance their hardness.

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Answer 2

Answer:

1. metal
2. manufacturer
3. food