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.
(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.
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}