question_subject:
Science
question_exam:
NDA-II
stats:
0,13,8,7,13,1,0
keywords:
{'bubbles': [0, 0, 0, 2], 'reactants': [0, 0, 0, 3], 'lime water': [0, 0, 0, 4], 'flask': [0, 0, 0, 2], 'zinc': [1, 0, 0, 2], 'gas': [9, 1, 9, 27], 'magnesium sulphate': [0, 0, 1, 1], 'hydrochloric acid': [1, 0, 3, 0], 'magnesium': [1, 0, 2, 3], 'milky': [0, 0, 0, 2]}