What happens when carbon dioxide is passed in limewater?
A. Limewater turns red because of formation of permanganate.
B. Limewater turns milky because of formation of calcium carbonate.
C. Limewater turns, milky because of formation of water.
D. Limewater turns red, because of formation of copper sulphate.
Answer:B
What happens when carbon dioxide is passed in limewater?
A. Limewater turns red because of formation of permanganate. B. Limewater turns milky because of formation of calcium carbonate. C. Limewater turns, milky because of formation of water. D. Limewater turns red, because of formation of copper sulphate.