Chemistryeasy · Past Paper
Which substance is used to test the presence of Carbon dioxide?
AIodine solution
BLime water
CLitmus paper
DMethyl orange
✓ Correct Answer: B — Lime water
Carbon dioxide turns lime water (Calcium hydroxide) milky due to the formation of calcium carbonate.
Share this question
More from Chemistry
- Which of the following is used as a moderator in nuclear reactors?
- Which substance is used to make the soil less acidic?
- Which metal can be extracted from its ore by heating with Carbon?
- The process of heating the ore in excess of air below its melting point is:
- What is the net ionic equation for the neutralization of a strong acid and a strong base?