Question

A non-metal which reacts with concentrated sulphuric acid to form two gases which turn lime water milky is ______.

Options

• Sulphur

• Carbon

• Oxygen

• Nitrogen

Answer 1

A non-metal which reacts with concentrated sulphuric acid to form two gases which turn lime water milky is carbon.

Explanation:

When carbon reacts with concentrated sulphuric acid, it produces carbon dioxide (CO₂) and sulfur dioxide (SO₂) gases. The carbon dioxide gas turns lime water milky due to the formation of calcium carbonate.