When the gas formed on heating limestone is passed through freshly prepared lime water, the lime water turns milky.

When the gas formed on heating lime stone is passed through freshly prepared lime water, the lime water turns milky.

When is passed through fresh lime water, it turns milky.

When ……….. is passed through fresh lime water,it turns milky.

Salt 'P', commonly used in bakery products, on heating gets converted into another salt 'Q' which itself is used for the removal of hardness of water and a gas 'R' is evolved. The gas 'R' when passed through freshly prepared lime water turns milky. Identify 'P', 'Q' and 'R', giving chemical equation for the justification of your answer.

The gas that turns lime water milky is

Sulphur dioxide is passed through lime water ?

What happens when carbon dioxide is passed through lime water ?

Fill in the blanks in the following statements: When carbon dioxide is passed through lime water, it turns milky due to the formation of ______.