MCQ
During electrolytic refining of zinc, it gets:
  • A
    Deposited on cathode.
  • B
    Deposited on anode.
  • C
    Deposited on cathode as well as anode.
  • D
    Remains in the solution.

Answer

  1. Deposited on cathode.

Explanation: Zinc is positively charged and hence is deposited at negatively charged cathode.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The indicator which produces a pink colour in an alkaline solution is:
The composition of aqua-regia is:

  1. Dil.HCl : Conc. HNO3

3 : 1

  1. Conc.HCl : Dil. HNO3

3 : 1

  1. Conc.HCl : Conc.HNO3

3 : 1

  1. Dil.HCl : Dil.HNO3

3 : 1

The molecules having triple bond in them are:
Which of the following is not a straight chain hydrocarbon?

  1. $\text{H}_3\text{C}-\text{CH}_2-\text{CH}_2-\text{CH}_2-\text{CH}_2\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\ \\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3$

  2. $\text{H}_3\text{C}-\text{CH}_2-\text{CH}_2-\text{CH}_2-\text{CH}_2-\text{CH}_3$

  3. $\ \ \ \ \ \text{CH}_3\\ \ \ \ \ \ \ |\\\text{H}_2\text{C}-\text{H}_2\text{C}-\text{H}_2\text{C}-\text{CH}_2\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3$

  4.  

In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?
  1. Baking powder.
  2. Lime.
  3. Ammonium hydroxide solution.
  4. Hydrochloric acid.
What type of reaction is the equation C + O2 → CO2?
An element is soft and can be cut with a knife. It is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be:
Which of the following is not an example of decomposition reaction?
The functional group present in propanal is: