|
Which one among the following is not a mixture? |
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|
(a) |
Graphite |
(b) |
Glass |
|
(c) |
Brass |
(d) |
Steel |
|
Which one among the following is not a mixture? |
|||
|
(a) |
Graphite |
(b) |
Glass |
|
(c) |
Brass |
(d) |
Steel |