Lime water turning milky indicates the presence of which of these gases?
Hydrogen
Nitrogen
Carbon dioxide
Oxygen
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
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