NCERT Exercise 3.1 — Q9 - Metals and Non-metals
Question: Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it. (a) What will be the action of gas on dry and moist litmus paper? (b) Write a balanced chemical equation.
Answer: 1. Sulphur is a non-metal element that burns in air to form sulphur dioxide. 2. Sulphur dioxide is a gaseous non-metal oxide represented by the formula SO₂. 3. Non-metal oxides are generally acidic...
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