Pratyush took a sulfur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it, as shown in the 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.
a) When sulphur powder is burnt in the air sulphur-di-oxide is formed.
(i) Sulphur-di-oxide does not have any effect on dry litmus paper.
(ii) Sulphur-di-oxide turn the moist litmus paper from blue to red as contact of SO2 with water turns to sulphurous acid.
(b) S(s) + O2(g) → SO2(g) SO2(g) + H2O →H2SO3
Answered by Shivani Kumari | 2 years agoProvide Some Important MCQ Questions for Class 10 Science Metals and Non-Metals with Answers?
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