Write the tests to find out the presence of the following gases evolved in a chemical reaction. Support your answer with an appropriate illustration:
Hydrogen, Carbon dioxide
a) (a) Pop sound, (b) Lime water turns milky
b) (a) Effervescence with a burning splint, (b) Lime water turns milky
c) (a) Turns lime water milky, (b) Pops with a burning splint
d) (a) Blue flame, (b) Turns lime water milky
