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OMEGA PUBLICATION-THE P-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
- Orthoboric acid is
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- Boron halides are
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- Ammonia is, in general,
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- NH(3) can be prepared by
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- Boron trioxide can be reduced to boron with
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- In reaction BF(3) + 3LiBH(4) rarr 3LiF+ X, X is
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- Graphite is a good conductor of electricity because
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- The laughing gas is
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- Which of the following compound is not explosive?
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- Explain why carbon differs from rest of the family members.
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- What is the pH of a saturated solution of Cu(OH)(2)? (K(sp)=2.6xx10^(-...
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- Which is wrongly matched ?
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- The two O-O bond lengths in ozone molecule are identical explain ?
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- Which of the following is a Lewis acid ?
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- In XeF(2), XeF(4) and XeF(6) the number of lone pairs on Xe is respect...
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- Boron is used as metal borides in nuclear reactor as
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- In diamond, carbon atom is
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- The purest form of coal is
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- The basicity of phosphorus acid is :
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- The most abundant element in the earth's crust is:
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