Q: 98 (CDS-I/2014)


Which one of the following gases is supporter of combustion?
question_subject: 
Science
question_exam: 
CDS-I
stats: 
0,118,36,10,7,19,118
keywords: 
{'gases': [0, 0, 5, 12], 'combustion': [0, 0, 0, 1], 'carbon dioxide': [2, 0, 5, 6], 'oxygen': [3, 0, 1, 0], 'hydrogen': [0, 0, 1, 3], 'nitrogen': [1, 1, 0, 2], 'supporter': [0, 0, 0, 1]}

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