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).
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The ionic radii of N3-, O2-, F- and Na+ follows the order ...
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Catalytic hydrogenation of benzene produces? ...
CuO(s) + H2(g) ↔ Cu(s) + H2O(g) What is the effect of increasing the pressure on the...
Consider the equilibrium reaction represented by the equation: 2SO2(g) + O2(g) ⇌ 2SO3(g) ∆H = - ...