Question

Petrol engines gives off gaseous oxides of:

1 point

Sulphur

Nitrogen

Sodium

Carbon

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Answer 1

$\huge \tt \fbox \red{A} \fbox \pink{n} \fbox{s}$

I gives of gaseous oxides of nitrogen.

Answer 2

Petrol engines gives off gaseous oxides of:

Sulphur

Nitrogen $\huge{\bf\green{✓}}$

Sodium

Carbon