Multiple choice

Which of the following statements is correct?

  1. Zn is displaced by Cu from ZnSO4 solution.

  2. Immersion rods can be made of aluminium.

  3. Lemon pickle can be put in aluminium vessel.

  4. Potassium is stored in water to avoid its reaction with air.

  5. Sulphur dioxide being basic in nature, turns red litmus blue.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Metals are good conductors of heat and electricity.