The solution that will conduct the highest amount of electricity is
The solution that will conduct the highest amount of electricity is A. 0.5 mol dm-3 of hydrochloric acid…
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In which of the following is the oxidation number of sulphur equal to -2?
In which of the following is the oxidation number of sulphur equal to -2? A. SO3 B. S8…
H2(g) + Br2(g) → 2HBr(g) The above reaction is carried out at 25oC. ΔH is…
H2(g) + Br2(g) → 2HBr(g) The above reaction is carried out at 25oC. ΔH is -72 kJ mol-1…
Zinc and carbon rods are used as anode and cathode respectively in a
Zinc and carbon rods are used as anode and cathode respectively in a A. Leclanche cell B. lead…
Trioxonitrate (V) acid is not used for preparing hydrogen gas from metals because it
Trioxonitrate (V) acid is not used for preparing hydrogen gas from metals because it A. is strongly oxidizing…
2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) In the reaction above, the mass of carbon(IV)oxide…
2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) In the reaction above, the mass of carbon(IV)oxide produced on burning…
The ion that can be used as an oxidizing agent is
The ion that can be used as an oxidizing agent is A. Au3+ B. Fe3+ C. ClO– D.…
The idea of planetary electron was that of
The idea of planetary electron was that of A. Rutherford B. Thompson C. Bohr D. Dalton Correct Answer:…
If 30cm3 of gas at 50oC is warmed to 80o at a fixed pressure, the…
If 30cm3 of gas at 50oC is warmed to 80o at a fixed pressure, the fractional increase in…
A decrease in atomic size and an increase in nuclear charge across a period lead…
A decrease in atomic size and an increase in nuclear charge across a period lead to A. an…