Pratyusha took sulfur powder in a spatula and heated it. Turn a test tube upside down as shown in the picture.

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.

Sameer took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it as shown in the figure. What will be the action of gas on moist litmus paper?

Sameer took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it as shown in the figure. What will be the action of gas on dry litmus paper?

Sameer took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it as shown in the figure. Write a balanced chemical equation for the reaction taking place.

Rhombic sulphur on heating in a test tube or flask