Question

classify the following into osmosis/difussion 1 . swelling up of raisin on keeping in water 2. spreading of virus on sneezing 3.preserving pickles in salt 4. aquatic qnimals using oxygen dissolved in water during repiration

Answer 1

1) Swelling up of raisins on keeping in water is osmosis.

2) Spreading of virus on sneezing is diffusion

3) Preserving pickles in salt is osmosis

4) Dissolved oxygen in water used by aquatic animals is diffusion