4 Questions
What gas is produced when dilute H2SO4 is added to a salt containing CO32-?
Colourless and odourless gas that turns limewater milky
Which gas is emitted when dilute H2SO4 reacts with a salt containing SO32-?
Colourless, pungent-smelling gas
What is the characteristic smell of the gas produced when dilute H2SO4 is added to a salt containing S2-?
Colourless gas which smells like rotten eggs
What color and smell is associated with the gas produced when dilute H2SO4 reacts with a salt containing NO2–?
Light brown gas having a pungent smell
This quiz covers the qualitative analysis of anions using sulfuric acid. It includes observations and positive results for anions such as carbonate, sulphite, sulphide, and nitrite.
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