Question
The soap molecule has a:
  1. Hydrophilic head and a hydrophobic tail.
  2. Hydrophobic head and a hydrophilic tail.
  3. Hydrophobic head and a hydrophobic tail.
  4. Hydrophilic head and a hydrophilic tail.

Answer

  1. Hydrophilic head and a hydrophobic tail.

Explanation: Oil and grease is trapped inside a micelle because of hydrophobic tail. Hydrophilic head makes the outer surface of micelle. Thus, a micelle is easily washed by water.

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