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Standard XII
Chemistry
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State whether...
Question
State whether given statement is True or False
A silicon crystal is doped with aluminium impurity
A
True
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B
False
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Solution
The correct option is
B
False
A silicon crystal is a
p
−
t
y
p
e
semiconductor
p
−
t
y
p
e
semiconductors are doped with trivalent atoms like boron, aluminium etc.
Therefore the given statement is TRUE.
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