Question

OR
(1) Draw a labelled diagram to show the preparation of hydrogen
chloride gas in laboratory.
(ii) Test the gas evolved first with dry and then with wet litmus paper.
In which of the two cases, does the litmus paper show change in
colour?
iii) State the reason of exhibiting acidic character by dry HCl gas / HCL
solution​

Answer 1

Answer:

if you put blue litmus paper it will change to red

zinc + sulphuric acid ( dil) gives zinc sulphate + hydrogen gas

zinc + 2Hcl gives zinc chloride + hydrogen gas