Chemical formula for Lime water is _______.

Correct option is C

The correct answer is (c) Ca(OH)2.
· Lime water is an aqueous solution of calcium hydroxide.
· The chemical formula for calcium hydroxide is Ca(OH)2.
· Lime water is commonly used in laboratories to test for the presence of carbon dioxide gas, which turns lime water milky due to the formation of calcium carbonate.
Information Booster:
· CaCl2 (Calcium chloride): It is a salt commonly used for de-icing roads and as a drying agent .
· CaCO3 (Calcium carbonate): This is a common substance found in rocks as the minerals calcite and aragonite, mainly used in the form of limestone and marble.
· CaOH: This is an incorrect formula; the correct notation for calcium hydroxide is Ca(OH)2.