QO: 24 (IAS/2014)
question_subject:
Science
question_exam:
IAS
stats:
0,255,73,44,9,20,255
keywords:
{'important pollutants': [0, 0, 0, 1], 'carbon dioxide': [2, 0, 5, 6], 'steel industry': [3, 0, 1, 1], 'oxides': [0, 0, 3, 11], 'carbon monoxide': [3, 0, 1, 1], 'nitrogen': [1, 1, 0, 2], 'india': [8, 1, 7, 13], 'sulphur': [0, 0, 0, 2]}