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Q.
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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
Both A and B
b
Combustion is the chemical reaction that occurs when a substance reacts with oxygen to produce heat.
c
Combustion is the chemical reaction that occurs when a substance reacts with hydrogen to produce water.
d
none of the above
answer is B.
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