A colourless and odourless gas X burns in oxygen with a pale blue flame. (a)...
CHEMISTRYWAEC 1991
A colourless and odourless gas X burns in oxygen with a pale blue flame.
(a) Suggest two gases which X could be.
(b) Give one chemical test that could be used to confirm which of the two gases X is.
Explanation
(a) X could be carbon(II) oxide (CO) or hydrogen (H\(_2\)).
(b) The produce of the combustion of CO\(_{(g)}\) is CO\(_{2(g)}\) which turns lime water milky.
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly.
Your email address will not be published. Required fields are marked *