To obtain pure carbon(ii)oxide from its mixture with carb...
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 H2SO4
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 CO2 is removed when the mixture of the gases through conc NAOH.
The mass of an atom is determined by ...
An eruption pollution an environment with gas suspected to be H<sub>2</sub>S, a poisonou...
The rate of chemical reaction of solids are not affected by ...
A device used in the laboratory for intermittent production of gases without heating is ...
Which of the following processes occur during fractional distillation of petroleum? ...
A fixed mass of gas occupies 92cm3 at 3°C. What will be its volume at 18C if...
When air is passed through alkaline pyrogallol and then lime water, the gases left are ...
Which of the following acids would form normal salt only? ...
In the Haber process for the manufacture of ammonia, finely divided iron is used as...