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 vapor

Question

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 vapor

MyClass24 · Accepted Answer

carbon dioxide

Lime water turns milky due to the presence of carbon dioxide in the exhaled air.

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 vapor