Question

1.Identify the gas evolved in the following reactions when :

i) Sodium propionate is heated with soda lime.

II) potassium sulphite is treated with concentrated nitric acid.

iii) Sulphur is treated with concentrated nitric acid.

iv) a few crystals of KNO3 are heated in a hard glass test tube.

v) concentrated hydrochloric acid is made to react with manganese dioxide.

Answer 1

1. ethane



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