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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
Remove moisture condensed over the surface of ribbon
b
Generate heat due to exothermic reaction
c
Mix silicon from sand paper (silicon dioxide) with magnesium for lowering ignition temperature of the ribbon
d
Remove magnesium oxide formed over the surface of magnesium
answer is C.
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