question_subject:
Science
question_exam:
CDS-I
stats:
0,39,27,39,6,16,5
keywords:
{'chemical change': [0, 0, 3, 7], 'water': [65, 15, 80, 129], 'dissolution': [0, 0, 0, 1], 'preparation': [3, 0, 4, 3], 'soft iron': [0, 0, 0, 1], 'cane sugar': [0, 0, 1, 1], 'paper': [1, 0, 4, 7], 'example': [18, 0, 1, 11], 'ice cubes': [0, 0, 1, 0]}