Nitrogen can best be obtained from a mixture over oxygen ...
Nitrogen can best be obtained from a mixture over oxygen and nitrogen by passing the mixture over
potassium hydroxide
heated gold
heated magnesium
heated phosphorus
calcium chloride
Correct answer is D
No explanation has been provided for this answer.
Which of the following raw materials is used in the plastic industry ? ...
An element which can exist in two or more forms in the same physical state, exhibits ...
Which of the following best represent solid gas mixture? ...
An element, X, forms a volatile hydride XH3 with a vapour density of 17.0. The relative atomic ...
Ethanol reacts with excess acidified K2Cr2O to produce...