A. Oxidation
B. Reduction
C. Redox
D. Substitution
Submitted by: Aamir khan Hullio
Related Mcqs:
- Which of the following properties prove that cathode rays are material in nature_________________?
A. they cast shadow
B. they possess momentum
C. they are negatively charged
D. all of the above - Which one is not true about cathode rays ?
A. 9.11×10-31 Kg
B. Cast shadow
C. Heat up the platinum foil
D. Cannot ionize - Colour of fluorescene produced by cathode rays depends upon________________?
A. Temperature
B. Pressure
C. Volume
D. Composition of glass - In Galvanic cell electrons flow from anode to cathode through__________________?
A. external electric circuit
B. salt bridge
C. movement of ions
D. all of the above - During Electrolysis of Water the product @cathode obtained is ___________?
A. Hydrogen Gas & Water
B. Oxygen Gas & Water
C. CO & Water
D. Hydrogen & Carbon monoxideSubmitted by: Aamir khan Hullio
- 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
- During electrolysis of Water, the product obtained at cathode is ___________?
A. Hydrogen Gas &Water
B. Oxygen Gas &Water
C. Only oxygen
D. Only Water
Aamir khan Hullio - In Dry cell, cathode is made up of_______?
A. Zinc
B. Carbon (Graphite)
C. ZnCl²
D. MnO²(Pyrolusite)Submitted by: Aamir khan Hullio
- Cannizaros reaction takes place through the transfer of ____________________ from complex anion?
A. hydrogen ion
B. hydride ion
C. oxide ion
D. methoxide ion - In melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?
A. CaO+ SiO2——> CaSiO3
B. 2FeS+3O2——–> 2Fe+ SO2
C. FeSiO3———> FeSiO3
D. Fe2O3+ 3CO——–> 2Fe+ 3CO2Submitted by: Muhammad Ali Kunbhar