Q: 12 (IES/2016)

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Which of the following is/are used as both fertilizer as well as explosive?
1. Ammonium nitrate
2. Calcium sulfate
3. Potassium permanganate
Select the correct answer using the code given below
question_subject: 
Science
question_year: 
2016
question_exam: 
IES
stats: 
0,1240,1000,1240,72,696,232