How will you distinguish between ethane and ethene with the help of a chemical test ?

How would you distinguish between- Methanal and ethanal

Distinguish the pairs ethane vs ethene

Give one test to distinguish between ethene and ethyne.

How will you distinguish between glucose and sucrose ? Give one good chemical test.

How will you distinguish between the following pairs? Give one chemical test for each pair. Acetic acid and ethyl alcohol

How will you distinguish between propan-1-ol and propan-2-ol by a chemical test?

Give a chemical test to distinguish between ethane and ethene.

How will you distinguish between the following (give one chemical test): Ethyl chloride and vinyl chloride.

How will you distinguish between the following (give one chemical test): Chloroethane and bromoethane.

Give a chemical test to distinguish between ethyne and ethene.