Question

Put about 2 g soil in a test tube and add 5 mL water to it.
Shake the contents of the test tube.
Filter the contents and collect the filtrate in a test tube.
Check the pH of this filtrate with the help of universal
paper.
What can you conclude about the ideal soil pH for the growth of
plants in your region?
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Answer 1

Answer:

If the soil will be basic then it will turn blue or dark purple but if it gets acidic due to acid rain or overdose of fertilisers then it will turn red or orange.