Question

Which statements about the pollutant carbon monoxide are correct?

1. it is a colourless, odourless gas
2. it is formed by incomplete combustion of natural gas
3. it reacts with haemoglobin in the blood
SELECT ONE
1 and 2 only

1and 3 only

2 and 3 only

1, 2, and 3

Answer 1

Answer:

1, 2, and 3

hope the answer helps

Answer 2

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