question_subject:
Science
question_exam:
CAPF
stats:
0,42,34,8,42,6,20
keywords:
{'chemical change': [0, 0, 3, 7], 'physical change': [0, 0, 0, 1], 'physical changc': [0, 0, 0, 1], 'chemical changc': [0, 0, 0, 1], 'melting': [0, 0, 0, 1], 'candle': [0, 0, 0, 2], 'burning': [1, 0, 1, 2], 'same kind': [0, 0, 0, 1], 'ice': [0, 0, 1, 0]}