Which element is the only non-metal among the micronutrients
A. Manganese
B. Boron
C. Iron
D. Zinc
Answer: Option B
A. Manganese
B. Boron
C. Iron
D. Zinc
Answer: Option B
Sources of negative charges on silicate clays is/are
A. Exposed crystal edges
B. Isomorphus substitution
C. Anion exchange
D. All of these
The most conspicuous chemical change that take place when soil is flooded is reduction of
A. Fe
B. P
C. S
D. None of these
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