question_subject:
Science
question_exam:
NDA-I
stats:
0,4,8,4,4,4,0
keywords:
{'magnetic substances': [0, 0, 0, 1], 'ferromagnetic substances': [0, 0, 0, 1], 'diamagnetic substances': [0, 0, 0, 1], 'magnets': [0, 0, 0, 1], 'paramagnetic substances': [0, 0, 0, 1], 'cobalt etc': [0, 0, 0, 1], 'iron': [0, 0, 1, 1]}