The milkiness (on passing excess carbondioxide gas through lime water) disappears due to the formation of:

Q. The milkiness (on passing excess carbondioxide gas through lime water) disappears due to the formation of:

1. Calcium hydrogen carbonate CaHCO3
2. Calcium carbonate CaCO3
3. Calcium oxide CaO
4. Calcium Nitrate Ca(NO₃)2

Answer: Calcium hydrogen carbonate CaHCO3