1.

For what purpose do farmers addCaO and NH4NO3 to their fields?Why are the two never addedtogether ?​

Answer»

ANSWER:

Farmers add calcium oxide (lime) and ammonium SALTS to their FIELDS. The COMPOUNDS are not added at the same time because they REACT with each other. 16 A sample of fertiliser is tested by warming it with aqueous sodium hydroxide.

Explanation:

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