EASY
10th CBSE
IMPORTANT
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Calamine is an ore of . (Iron / Copper / Zinc)

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Important Questions on Metals and Non-metals

EASY
10th CBSE
IMPORTANT
Manganese heptoxide is _____ in nature.
EASY
10th CBSE
IMPORTANT
CO, N2O, NO, H2O are _____ oxides of respective elements.
MEDIUM
10th CBSE
IMPORTANT
The metal which is not malleable at room temperature is
EASY
10th CBSE
IMPORTANT
One gram of gold can be drawn into a wire of length about
EASY
10th CBSE
IMPORTANT
The electrical wires generally used in homes are PVC coated _____.
EASY
10th CBSE
IMPORTANT
Bell metal (a mixture of 80% Cu and 20% Sn) is generally used for making bells and gongs. This is because bell metal is _____.
EASY
10th CBSE
IMPORTANT
Which of the following does not have a metallic lustre?