Hydrogen can be displaced from a hot alkaline solution by...
Hydrogen can be displaced from a hot alkaline solution by?
Fe
Cu
Ca
Sn
Correct answer is D
Amphoteric oxide react with both acid and alkaline and only amphoteric oxide can displace hydrogen from alkanine solution (al, pb, sn and zinc).
Oxygen-demanding waste are considered to be a water pollutant because they? ...
The following transition metal ions would be coloured in aqueous solution except________? ...
One of the following is not a physical property of monosaccharides? ...
Millikan's contributions to the development of atomic theory is the determination of ...