Thermit is a mixture of fine aluminium powder and iron oxide in the ra – McqOptions

MCQOPTIONS

1.	Thermit is a mixture of fine aluminium powder and iron oxide in the ratio of about _____ by weight.
A.	2 : 1
B.	3 : 1
C.	1 : 3
D.	1 : 2
Answer» D. 1 : 2

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