A. Free electrons
B. Free molecules
C. Free ions
D. Atoms of Na and Cl
Related Mcqs:
- 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?
A. 0.1 M
B. 1 m
C. 1 M
D. 0.1 N - Which one of the following substances conducts electricity by the movement of ions ?
A. Graphite
B. Copper
C. Molten sodium chloride
D. Mercury - Electrolysis of dilute solution of NaCl results at the anode_______________?
A. sodium
B. hydrogen
C. chlorine
D. oxygen - In electrolysis of NaCl the product obtained at cathode is_______.
A. Sodium ions
B. Chloride ions
C. Both
D. Remain at the bottom of the cellSubmitted by: Aamir khan Hullio
- Electricity in voltaic cell is produced due to_________________?
A. neutralization
B. oxidation
C. reduction
D. both B & C - In electrolytic solution conductance of electricity is due to _____________________?
A. free electrons
B. ions
C. metals
D. electrodes - The cooling of molten urea by air in the tower is called______________________?
A. prilling
B. evaporation
C. condensation
D. crystallization - The yellow colour in photochemical smog is due to presence of__________________?
A. dinitrogen oxide
B. nitrogen dioxide
C. chlorine gas
D. chlorine dioxide - If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?
A. H2 is deposited at cathode
B. Colour of the solution becomes fade
C. Cu is deposited at anode
D. All are possible - In electrolytic cell electricity carries________________?
A. spontaneous reaction
B. non-wpontaneous reaction
C. neutralization
D. all of above