When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of :
(a) oxygen
(b) carbon dioxide
(c) nitrogen
(d) water vapour

Open in App

Solution

option,b
carbon dioxide

We inhale oxygen and exhale carbon dioxide.
When lime water ca(oh)2 react with CO2 it became milky.
When we release CO2 in lime water it became miky..

Carbon dioxide [Carbon dioxide reacts with limewater to form calcium carbonate. Insoluble calcium carbonate is responsible for appearance of white colour.]

Suggest Corrections

Similar questions

Question 11
When air is blown from the mouth into a test-tube containing limewater, the limewater turned milky due to the presence of

(a) oxygen
(b) carbon dioxide
(c) nitrogen
(d) water vapour

Q. When air is blown from the mouth into a test tube containing lime water, the lime water turns milky due to the presence of

Q. When air is blown from mouth into a test-tube containing limewater, the limewater turned milky due to the presence of:

Statement 1- Lime water turns milky when air is passed through the solution.

Statement 2- Air contains carbon dioxide which turns lime water milky.

When air is blown from the mouth into a test-tube containing limewater, the limewater turns milky due to the presence of $C O_{2}$ . What is the component formed as a product of the reaction that turns the solution milky?

Join BYJU'S Learning Program

When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of : (a) oxygen (b) carbon dioxide (c) nitrogen (d) water vapour

When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of :
(a) oxygen
(b) carbon dioxide
(c) nitrogen
(d) water vapour