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Science Test Space
Class 10
Periodic Classifications of elements
Metallurgy of Aluminium, Copper and Iron
1.
Choose the best: Metallurgy of Aluminium
Question:
2
m.
Choose the best answer:
1.
__________ is a ore of aluminium.
Cuppyrite
Corundum
Zinc blende
Limestone
2.
Aluminium exists in the __________ state because it is a reactive metal.
impure
combined
relative
all the above
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