Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 1 Chemistry Topical Questions and Answers on Air and Combustion

The flow chart in figure 3 shows the process of obtaining a sample of nitrogen gas. Study it answer the questions that follow.
(a) Identify X
(b) Write an equation for the reaction with heated copper turnings.
(c) Name an impurity in the sample of nitrogen gas.

 (6m 23s)
865 Views     SHARE