Electrochemistry

A. KOH
B. KCI
C. KNO3
D. KBr

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. external electric circuit
B. salt bridge
C. movement of ions
D. all of the above

A. spontaneous reaction
B. non-wpontaneous reaction
C. neutralization
D. all of above

A. neutralization
B. oxidation
C. reduction
D. both B & C

A. Free electrons
B. Free molecules
C. Free ions
D. Atoms of Na and Cl

A. Chemical energy is converted into electricity
B. Chemical energy is converted into heat
C. Electrical energy is converted into chemical energy
D. Electrical energy is converted into heat