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3930. Leaching of phosphate rock by strong __________ acid produces phosphoric acid.

September 7, 2025 by Admin

Sulphuric

Hydrochloric

Either A or B

Neither A nor B

✅ The correct answer is option C.

Categories Chemical Engineering, Engineering, Fertilizer Technology MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Fertilizer Technology MCQs

3925. Chemical formula of biuret is

3935. Which of the following is not a measure component necessarily to be present in fertilisers?

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