Multiple Choice Questions on By convention the amount of potassium content in any fertilizer potash is expressed as ........ for NABARD Assistant Manager Exam Preparation

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Multiple Choice Questions

By convention the amount of potassium content in any fertilizer potash is expressed as ........

Agriculture and Rural Development (Phase-I/II) Agriculture chemistry
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    By convention the amount of potassium content in any fertilizer (potash) is expressed as?

    K2O

    Correct Answer

    K2O3

    Incorrect Answer

    KO3

    Incorrect Answer

    K2O5

    Incorrect Answer

    K3O2

    Incorrect Answer
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    Explanation:

    In earlier times, before current lab instrumentation was developed, chemists used a gravimetric (weighing) method after ignition to determine the potassium content of fertilizers in the form of potassium oxide (K2O).

    By: Chetna Yaduvanshi
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