Question

3. The sample of soil from a particular place was tested for its pH value. It came out to be 5. Which one of the following should be added to the soil to make it suitable for the plant growth? * Acid, Base, Salt ,Salt and Base

Answer 1

I think base would be added as ph scale when go to 7 it will not be acidic or basic it will be neutral

Answer 2

Answer:

base and acid should be added and for the suitable growth of plants