Chemistry - Mock Test 51

Question 501

Which one of the following is a conjugated protein?

A) Phosphoprotein B) Glycoprotein C) Chromoprotein D) All of the above

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Question 502

The element having highest electron affinity is?

A) Bromine B) Iodine C) Fluorine D) Chlorine

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Question 503

Phenol is more acidic than alcohol because?

A) Phenol is more soluble in polar solvents B) Alcohol does not lose hydrogen atom C) Pentoxide ion is stabilized by resonance D) Pentoxide ion do not exhibit resonance

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Question 504

The relationship which describes the variation of vapour pressure with temperature is known as?

A) Kirchhoff’s law B) Clausius-Clapeyron equation C) EquationHesss law D) Arrhenius equation

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Question 505

Real gas will approach the behaviour of an ideal gas at?

A) Low temperature and low pressure B) High temperature and low pressure C) High temperature and high pressure D) The critical point

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Question 506

The percentage by weight of hydrogen in C2H5OH is?

A) 20 % B) 23.08 % C) 13.04% D) 10.15%

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Question 507

Benadryl is used as?

A) Antiseptic B) Disinfectant C) Analgesic D) Antihistamine

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Question 508

With the help of which reaction cyclohexanone is converted into cyclohexane?

A) Wurtz-Fittig reaction B) Wolff-Kishner reduction C) Tischenko reaction D) Stephen’s reaction

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Question 509

A radioactive substance decays to 3/4 of its original value in 2h. The half?

A) 60 mm B) 30 mm C) 90 mm D) 15 mm

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Question 510

Which of the following is not a chalcogen?

A) Se B) O C) S D) Na

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