A fertilizer contains 20% nitrogen by mass. To provide a fruit tree with an equivalent of 1 kg of nitrogen, the quantity of fertilizer required is

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Q: 78 (NDA-I/2014)
A fertilizer contains 20% nitrogen by mass. To provide a fruit tree with an equivalent of 1 kg of nitrogen, the quantity of fertilizer required is
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question_subject: 

Science

question_exam: 

NDA-I

stats: 

0,11,5,4,1,0,11

keywords: 

{'fertilizer': [2, 0, 0, 3], 'fruit tree': [0, 0, 0, 1], 'nitrogen': [1, 1, 0, 2], 'quantity': [0, 0, 0, 1], 'kg': [0, 1, 9, 24], 'mass': [0, 0, 2, 3]}