Question

How can we find if the water is fresh or dirty without using a microscope?

Answer 1

Determination of the freshness of water:

1. To check the purity of water without a microscope we can check for the dirt particles present in it.
2. Take a beaker, funnel, and filter paper.
3. Pass the water in the beaker through the filter paper on the funnel.
4. Put the filter paper aside for 5 mins.
5. If the filter paper shows any dust particles, then the water is dirty, or else it is clean water.
6. This is how we can check the freshness of water without a microscope.