Which gas is released when zinc reacts with sulphuric acid?
hydrogen
sulphur dioxide
carbon dioxide
oxygen
The correct option is C
Hydrogen
Zinc on the reaction with sulphuric acid liberates hydrogen gas and zinc sulphate.
Which of the following statement(s) is/are correct when iron reacts with concentrated sulphuric acid?
i. Hydrogen gas is released.
ii. The compound formed is ferric sulphate.
iii. Sulphur dioxide gas is released.
What happens when an aqueous solution of sulphur dioxide reacts with oxygen?
(a) Name the acid formed when sulphur dioxide dissolves in water.
(b) Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.