What is the action of hydrogen on litmus paper?

What is the action of water on litmus ?

What is the action of air on sodium ?

What is the action of H_(2)O_(2) on litmus?

What is the action of SAHELI ?

What is meant by hydrogen economy?

What is the action of monoiodoethane on sodium ethoxide ?

What is the action of litmus with aqueous chlorine?

What is the action of ethanal on semicarbazide?

What is meant by hydrogenation?

Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it, as shown in figure below. (a) What will be the action of gas on (i) dry litmus paper? (ii) moist litmus paper? (b) Write a balanced chemical equation for the reaction taking place.