All of the following have cleavage planes except
A. ionic crystal
B. covalent crystals
C. molecular crystals
D. metallic crystals
Correct Answer: D. metallic crystals
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Here, you may find CSS Optional Subjects MCQs. If you want to prepare MCQs of optional subjects, CSS MCQs platform is here to serve you while preparing your MCQs portion of your CSS Exam. Please practice these CSS Optional Subjects MCQs on a daily basis.
Coordination number of Na+ in NaCI is
A. 1
B. 4
C. 2
D. 6
Correct 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
Correct Answer: A. CuSO4. 5H2O
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All of the following have crystals except
A. diamond
B. NaCI
C. KBr
D. CdS
Correct 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
Correct Answer: D. molecular size
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All of the following are network solids except
A. SiO2
B. Graphite
C. S8
D. Diamond
Correct Answer: C. S8
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Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to
A. hydrogen bonding
B. irregular shape of the molecules
C. irregular shape of the molecules and strong intermolecular forces
D. greater molecular size
Correct Answer: C. irregular shape of the molecules and strong intermolecular forces
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