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0 votes
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in Chemistry by (56.9k points)

Which of the following is used in thermite welding ? 

a) TiO2 + 4Na → Ti + 2Na2

b) 2Al + Fe2 O3 → Al2 O3 + 2 Fe 

c) SnO2 + 2C → Sn + 2CO 

d) Al2 O3 + 2 Cr → Cr2 O3 + 2 Al

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1 Answer

+1 vote
by (54.0k points)

b) 2Al + Fe2 O3 → Al2 O3 + 2 Fe 

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