Q: 15 (SCRA/2015)
question_subject:
Science
question_exam:
SCRA
stats:
0,40,71,40,19,31,21
keywords:
{'urine': [1, 0, 1, 2], 'potassium chloride': [1, 0, 1, 3], 'sodium chloride': [1, 0, 0, 1], 'ammonia': [0, 1, 0, 2], 'concentration': [0, 0, 4, 7], 'urea': [5, 1, 4, 10]}