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Testing for Gases

What are the General Tests for an Alkane Gas?

1)  An alkane gas has no colour.

2)  An alkane gas may have a smell.

3)  An alkane gas has no effect on moist litmus paper
or moist universal indicator paper. It is neutral.

4)  An alkane gas will burn with a blue or yellow flame.


What is the Specific Test for an Alkane Gas?

There is no specific test for an alkane gas but
the burnt gas products are carbon dioxide and water
and there are specific tests for both of these.

See how an alkene may be distinguished from an alkane.

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