Which of the following molecule is polar__________________?
A. CCI4
B. CO2
C. BF3
D. none of the above
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A. CCI4
B. CO2
C. BF3
D. none of the above
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A. B
B. C
C. N
D. O
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A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
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A. one / seventeen
B. sixteen / seventeen
C. one / three
D. two / three
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A. Sublimation
B. Crystallization
C. Solvent extraction
D. Distillation
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A. Nature of reactants
B. Nature of crucible
C. Nature of product
D. Nature of precipitate
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A. 5% KOH
B. Lime water
C. CaCl2
D. Mg (CIO4)2
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A. F – Cl – Br
B. Li+1 – Na+1 – K+1
C. F – Ne – Na+
D. H+ – H- – H
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A. 22.4 dm3
B. 2.24 dm3
C. 1.12 cm3
D. 1.12 dm3
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A. arrangement of electrons in orbitals
B. position in the periodic table
C. properties depend upon mass
D. chemical properties
Submitted by :- Jamil Ahmed