Multiple choice

Match the following:

1. Carbon monoxide i. Combustion of fuels
2. CFCs ii. Acid rain
3. Oxides of sulphur iii. Spray cans
4. Soot iv. Incomplete combustion

  1. 1 - i, 2 - ii, 3 - iii, 4 - iv

  2. 1 - ii, 2 - i, 3 - iv, 4 - iii

  3. 1 - iii, 2 - iv, 3 - i, 4 - ii

  4. 1 - iv, 2 - iii, 3 - ii, 4 - i
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
1. Carbon monoxide i. Incomplete combustion
2. CFCs ii. Spray cans
3. Oxides of sulphur iii. Acid rain
4. Soot iv. Combustion of fuels

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