Q. 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?
i. Calcium chloride
ii. Calcium Hydroxide
iii. Calcium oxide
Choose the correct option:
- Both (i) and (ii)
- Both (ii) and (iii)
- Only (i)
- Only (iii)
Answer: Both (ii) and (iii)
