Which of the following statement is not correct?
(WB JEE 2009)
(a) ... VIDEO
Which of the following statement is not correct?
(WB JEE 2009)
(a) Silicon is extensively used as a semiconductor
\( \mathrm{P} \)
(b) Carborundum is \( \mathrm{SiC} \)
(c) Silicon occurs in free state in nature
W
(d) Mica contains the element silicon
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