Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by the inverting a test tube over it. Then he react the gas with moist Litmus paper. Write a balanced chemical equation for the reaction taking place.
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.