Islamian genius told his follows that in a crystal the atoms are located at the position of
A. zero potential energy
B. infinite potential energy
C. maximum potential energy
D. minimum potential energy
Show Answer…...Hide AnswerCorrect Answer: A. zero potential energy
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All of the following have cleavage planes except
A. ionic crystal
B. covalent crystals
C. molecular crystals
D. metallic crystals
Show Answer…...Hide AnswerCorrect Answer: D. metallic crystals
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Coordination number of Na+ in NaCI is
A. 1
B. 4
C. 2
D. 6
Show Answer…...Hide AnswerCorrect Answer: D. 6
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For a crystal system a b c and the example for this crystal system is
A. CuSO4.5H2O
B. Na2B4O7.10H2O
C. ZnSO4.7H2O
D. BaSO4.4H2O
Show Answer…...Hide AnswerCorrect Answer: A. CuSO4. 5H2O
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All of the following have crystals except
A. diamond
B. NaCI
C. KBr
D. CdS
Show Answer…...Hide AnswerCorrect Answer: D. CdS
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Kerosene is liquid at room temperature due to
A. hydrogen bonding
B. organic nature
C. dipole-dipole forces
D. molecular size
Show Answer…...Hide AnswerCorrect Answer: D. molecular size
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All of the following are network solids except
A. SiO2
B. Graphite
C. S8
D. Diamond
Show Answer…...Hide AnswerCorrect Answer: C. S8
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