Question

1.any two chemicals which can be used as alternative source of co2 for putting off fires

2.burning of fossil fuels relase gaseous oxide of ,. and.

4. the head of match stick nowadays contains

3. increased percentage of carbon dioxide in the air has been link to ​

Answer 1

Answer:

1. NaHCO3 and H2O.

2.Nitrogen and Sulphur.

3 . oxidizing agents such as potassium chlorate.

4 . carbon dioxide is increasing in air due to pollution created by the factories, smoke emitted by volcanoes, etc.

Answer 2

Explanation:

1. Sodium bicarbonate and potassium bicarbonate

2. Carbon monoxide, Sulphur dioxide and Carbon dioxide

3. antimony trisulphide and potassium chorate

4. Global warming