Question

4. On burning charcoal, which of the following gas is produced?
a. Carbon dioxide
b. oxygen
C. Nitrous oxide
d. Hydrogen

5. Dry ice is
a. normal ice
b. solid carbon dioxide
3. It is not a constituent of the atmosphere.
a. oxygen
b. nitrogen
c. carbon dioxide
d. aluminum​

Answer 1

Answer:

1. a. Carbon dioxide

2. b. solid form of carbon dioxide

3. d. aluminium

Answer 2

Answer:

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