WBCS.LIVE practice question

Dead organs are usually kept in Formalin. Formalin One:

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

Answer options

  1. Aqueous is formaldehyde.
  2. Aqueous is ferrous-sulphate.
  3. Aqueous is formic acid.
  4. Aqueous is ferric alum.

Correct answer and explanation

Correct answer: Aqueous is formaldehyde.