[" (b) How will you test whether the gas evolved in a "],[" reaction is hydrogen? "]

How will you test that the gas evolved in a reaction is hydrogen.

How will you test whether a given rod is a magnet or not?

How will you test whether a given rod is made of iron or not?

You enter a laboratory after a class has completed the Fountain Experiment. How will you be able to tell whether the gas used in the experiment was hydrogen chloride or ammonia ?

How will you test whether a given rod is made of iron or copper?

How do you test the CO_2 gas ?

How do you test the gas evolved while Zn granules are added to HCI ?