The iron (III) oxide impurity in bauxite can be removed b...
The iron (III) oxide impurity in bauxite can be removed by?
Fractional crystallization in acid solution
dissolution in sodium hydroxide and filtration
extraction with concentrated ammonia and reprecipitation
electroysis of molten mixture
Correct answer is B
No explanation has been provided for this answer.
Benzene reacts with hydrogen in the presence of nickel catalyst at 180ºC to give? ...
A reducing agent is expected to ...
Dry hydrogen chloride when dissolved in methylbenzene ...
Geometric isomerism can exist in ...
A constituent common to bronze and solder is? ...