yday Life Are plants and animals pH sensitive? Our body works within the pH range of . to . .
Living organisms can survive only in a narrow range of pH change. When pH of rain water is less than . , it is called acid rain. When acid rain flows into the rivers, it lowers the pH of the river water.
The survival of aquatic life in such rivers becomes difficult. Table . S. Solution Colour of Approx- Nature of No.
pH paper -imate substance pH value Saliva (before meal) Saliva (after meal) Lemon juice Colourless aerated drink Carrot juice Coffee Tomato juice Tap water 1M NaOH 1M HCl What is the pH of the soil in your backyard? Plants require a specific pH range for their healthy growth. To find out the pH required for the healthy growth of a plant, you can collect the soil from various places and check the pH in the manner described below in Activity . .
Also, you can note down which plants are growing in the region from which you have collected the soil. Acids in other planets The atmosphere of venus is made up of thick white and yellowish clouds of sulphuric acid. Do you think life can exist on this planet?