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, t

1.	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
Answer» 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