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).
The volume of a given gas is V cm3 P mm Hg. what is the new volume of the gas if...
Which element is placed at the top of the electrochemical series? ...
P(g) + Q(g) ↔ 3R(s) + S(g) ΔH is negative Which of the following will increase the yield of R?...
The oxidation state of oxygen in tetraoxosulphate (VI) acid is ...
Faraday s first law of electrolysis can be expressed mathematically as ...
The best way of collecting chlorine is? ...
Reaction undergone by compounds with the general formula Cn H2n+2 include...