WBCS.LIVE practice question

Iron nails are dipped into blue copper sulphate solution. After sometime iron nails are

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Dissolved and blue colour is discharged
  2. Dissolved but blue colour is not discharged
  3. Not dissolved and blue colour is not discharged
  4. Not dissolved but blue colour is discharged

Correct answer and explanation

Correct answer: Not dissolved but blue colour is discharged