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.
Rate of evaporation of petrol is greater than that of water at room temperature because
A. petrol molecules do not have any hydrogen bond
B. petrol is an organic compound
C. water molecules have small size
D. petrol molecules have greater size
Show Answer…...Hide AnswerCorrect Answer: A. petrol molecules do not have any hydrogen bond
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Substance having highest boiling point among the following is
A. HF
B. HCI
C. Br2
D. HBr
Show Answer…...Hide AnswerCorrect Answer: C. Br2
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What is the typical range of the hydrogen bond
A. 5–25 kJ per mole of bonds
B. 5-25 kJ per molecule
C. 500 kJ per mole of bonds
D. 1-2 kJ per mole of bonds
Show Answer…...Hide AnswerCorrect Answer: A. 5–25 kJ per mole of bonds
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Keeping in mind the concept of charge density, compound having highest lattice energy is
A. KCI
B. MgO
C. LiBr
D. NaF
Show Answer…...Hide AnswerCorrect Answer: B. MgO
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All of the following substances are crystalline except
A.Ice
B. Carbon (diamond)
C. Sucrose
D. Plastic
Show Answer…...Hide AnswerCorrect Answer: D. Plastic
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Which of the following is also known as human kinetics?
A. Biomechanics
B. Physiotherapy
C. Kinesiology
D. Exercise Science
Show Answer…...Hide AnswerCorrect Answer: C. Kinesiology
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Exercise Science is the branch of which of the following?
A. A branch of medicine
B. A branch of psychology
C. A branch of biology
D. A branch of kinesiology
Show Answer…...Hide AnswerCorrect Answer: D. A branch of kinesiology
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