- (A) KOH
- (B) KCI
- (C) KNO3
- (D) KBr
Chemistry Mcqs
- (A) 760mm of Hg
- (B) 750mm of Hg
- (C) 780mm of Hg
- (D) 800mm of Hg
- (A) by addition of fresh solution
- (B) by replacing external circuit with external source of electricity
- (C) by removal of solution
- (D) by heating it
- (A) Daniel cell
- (B) Downs cell
- (C) Voltaic cell
- (D) Nelsons cell
- (A) 1 M ZnO solution
- (B) 1 M ZnSO4 solution
- (C) 1.5 M ZnSO4 solution
- (D) 0.1 M ZnSO4 solution
- (A) free electrons
- (B) ions
- (C) metals
- (D) electrodes
- (A) Pressure increases
- (B) Dilution decreases
- (C) Dilution increases
- (D) None
- (A) The flow of electrons takes place from copper to zinc
- (B) E0red of copper electrode is less than that of zinc electrode
- (C) Zinc acts as an anode and copper as cathode
- (D) All are correct
- (A) Lead storage battery
- (B) Silver oxide cell
- (C) Fuel cell
- (D) Ni-Cd cell
- (A) Oxidation potential
- (B) Reduction potential
- (C) Redox potential
- (D) emf of cell
