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Class X Social Sciences

[papers from previous years]

Which one of the following is a non-metallic mineral?

A. Lead
B. Copper
C. Tin
D. Limestone


The answer is D...Limestone is a non-metallic mineral.....
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Limestone is a non metallic minèràl
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limestone contains Ca which is a metal...
Okkk but tin is a metal ryte
yeah...first three are metals....and fourth one is a compound
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