Engineering Chemistry Boiling Point Online Exam Quiz

Engineering Chemistry Boiling Point GK Quiz. Question and Answers related to Engineering Chemistry Boiling Point. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Boiling Point

At 1 atm pressure, the boiling point of water is ____________

Options

A : 0 0C

B : 1000C

C : -1000C

D : None of the mentioned

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The normal boiling point of a liquid is the temperature at which it boils when the external pressure is ____________

Options

A : 1 atm

B : 2 atm

C : 3 atm

D : 5 atm

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The molar heat of vaporisation (?Hvap) for water is ____________

Options

A : 40.79 kJ/mol

B : 31.0 kJ/mol

C : 59.0 kJ/mol

D : 9.2 kJ/mol

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On increasing the temperature of a liquid, its vapour pressure ____________

Options

A : Decreases

B : Remain constant

C : Increases

D : None of the mentioned

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If the non-volatile impurities contaminate the liquid, its boiling point gets ____________

Options

A : Depressed

B : Elevated

C : Remains same

D : None of the mentioned

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The boiling point of a liquid is the temperature at which the vapour pressure ____________

Options

A : Is equal to the internal pressure

B : Is equal to the external pressure

C : Is greater than an internal pressure

D : Is lesser than an internal pressure

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The energy required to vaporize 1 mole of a liquid is known as ____________

Options

A : Molar heat of fusion

B : Molar heat of freezing

C : Molar heat of boiling

D : Molar heat of vaporisation

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The boiling point and molar heat of vaporisation is dependent on ____________

Options

A : Strength of the inter-molecular forces

B : Composition of the liquid compound

C : Size of the molecules

D : All of the mentioned

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For a given substance, choose the correct statement.

Options

A : ?Hfus is greater than ?Hvap

B : ?Hfus is equal to ?Hvap

C : ?Hfus is smaller than ?Hvap

D : None of the mentioned

View Answer

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