To obtain pure carbon(ii)oxide from its mixture with carbon(iv)oxide, the mixture should be?
Passed over heated copper(ii)oxide
Bubbled through water
Bubbled through conc H\(_2\)SO\(_4\)
Bubbled through conc NAOH
Correct answer is D
carbon(ii)oxide is prepared from carbon(iv)oxide by passing the latter through red-hot carbon and the unchanged CO\(_2\) is removed when the mixture of the gases through conc NAOH.