Question

Raisins shall swell when they are placed in:

• A. Plain water
• B. Honey
• C. Starch water
• D. Concentrated salt solution

Answer 1

The correct option is A

Plain water

Raisins are dried grapes. When they are placed in water, the water from the surrounding diffuses into the raisins and so the raisins swell up. The phenomenon involved is called osmosis.