PDF chapter test TRY NOW
Give short answers to the following question:
Match the items of Column A with the items of Column B.
Column A | Column B |
| (a). Oxides of sulphur and nitrogen | |
| (b). CNG | |
| (c). Oxygen | |
| (d). Inflammable substance | |
| (e). Carbon dioxide | |
| (f). Carbon monoxide |
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