Classify the following into osmosis/diffusion
- Swelling up of a raisin on keeping in water.
- Spreading of virus on sneezing.
- Earthworm dying on coming in contact with common salt.
- Shrinking of grapes kept in thick sugar syrup.
- Preserving pickles in salt.
- Spreading of smell of cake being baked throughout the house.
- Aquatic animals using oxygen dissolved in water during respiration.
Answer:
- Osmosis
- Diffusion
- Osmosis
- Osmosis
- Osmosis
- Diffusion
- Diffusion