

MCQOPTIONS
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1. |
Which of the following materials can be used by a farmer to treat the too acidic soil of his fields? Quick lime (CaO) Slaked lime (Ca(OH)2) Chalk (CaCO3) Select the correct option from the codes given below: |
A. | Only 1 & 2 |
B. | Only 2 & 3 |
C. | Only 1 & 3 |
D. | 1, 2 & 3 |
Answer» E. | |