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Subject :NSO    Class : Class 5

A burning candle was put in a glass jar containing a gas X and opening of glass jar was sealed with lid. The candle flame put off. The gas X could be ________.

ANitrogen
BOxygen
CCarbon dioxide
DBoth A and C


I think oxygen is essential for burning

Ans 1:

Class : Class 5
I think answer should be A, B and C - all of these.

Ans 2:

Class : Class 5
C

Ans 3:

Class : Class 5

Ans 4:

Class : Class 4
wwwwwwwwwhhhhhhhhhhhhhhhyyyyyyyyyyyyyyyyywhy shivaay?

Ans 5:

Class : Class 4
shouldn't it be all of these cause it just anyways ran out of air

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