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Elevation in boiling poi..



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Q1. Which one the following properties of fluid in not a colligative property?

(a) Osmotic pressure
(b) Surface tension
(c) Boiling point elevation
(d) Vapour pressure depression

Q2. To help coping with boiling point elevation in evaporators, which of the following can be done?

(a) Increase the feed temperature to its boiling point
(b) Use superheated steam at the temperature of maximum boiling point
(c) Increase pressure
(d) Reduce pressure

Q3. The Boiling point elevation as the evaporation in an evaporator proceeds can be approximately measured by __________

(a) Duhring?s rule
(b) Arrhenius rule
(c) Kozeny Carman rule
(d) Sieder tate rule

Q4. The vapour released from the feed after being considerably concentrated is superheated steam.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q5. The temperature of water vapour released from the solution after facing boiling point elevation is ________

(a) Equal to 100?
(b) Below 100?
(c) Above 100?
(d) Much larger than 100?

Q6. Boiling point elevation causes the driving force of evaporation in the fluid to _________

(a) Decrease
(b) Increase
(c) Remain same
(d) Increase tenfold

Q7. The boiling point of a solution is a colligative property because?

(a) It depends on the temperature of solution
(b) It depends on the concentration of solution
(c) It depends on the applied pressure on the solution
(d) It depends on the heat capacity of the solution

Q8. Boiling point of a solution is a colligative property.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q9. Boiling point of the solution ________ as the evaporation process proceeds.

(a) Increases
(b) Decreases
(c) Remains same
(d) Becomes half

Q10. How can boiling point elevation be achieved in Evaporators?

(a) Increasing pressure
(b) Decreasing pressure
(c) Increasing Temperature
(d) Increasing concentration


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794 views

The Statement "If 0.003 Moles Of A Gas Are Dissolved In 900 G Of Water Under A Pressure Of 1 Atmosphere, 0.006 Moles Will Be Dissolved Under A Pressure Of 2 Atmosphere", Illustrates

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259 Year Ago

The Statement "If 0.003 Moles Of A Gas Are Dissolved In 900 G Of Water Under A Pressure Of 1 Atmosphere, 0.006 Moles Will Be Dissolved Under A Pressure Of 2 Atmosphere", Illustrates

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781 views

If 1 M And 2.5 Litre NaOH Solution Is Mixed With Another 0.5 M And 3 Litre NaOH Solution, Then Molarity Of The Resultant Solution Will Be

Modified 259 Year Ago

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259 Year Ago

If 1 M And 2.5 Litre NaOH Solution Is Mixed With Another 0.5 M And 3 Litre NaOH Solution, Then Molarity Of The Resultant Solution Will Be

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678 views

The Solubility Of A Gas In Water Depends On

Modified 259 Year Ago

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259 Year Ago

The Solubility Of A Gas In Water Depends On

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When 7.1gm Na2SO4 (molecular Mass 142) Dissolved In 100ml H2O, The Molarity Of The Solution Is

Modified 259 Year Ago

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259 Year Ago

When 7.1gm Na2SO4 (molecular Mass 142) Dissolved In 100ml H2O, The Molarity Of The Solution Is

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583 views

Molarity Of A Given Orthophosphoric Acid Solution Is 3 M. Its Normality Is

Modified 20 Year Ago

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20 Year Ago

Molarity Of A Given Orthophosphoric Acid Solution Is 3 M. Its Normality Is

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567 views

The Volume Strength Of 1.5 N H2O2 Solution Is

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259 Year Ago

The Volume Strength Of 1.5 N H2O2 Solution Is

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522 views

What Is Molarity Of A Solution Of HCL Which Contains 49% By Weight Of Solute And Whose Specific Gravity Is 1.41

Modified 259 Year Ago

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259 Year Ago

What Is Molarity Of A Solution Of HCL Which Contains 49% By Weight Of Solute And Whose Specific Gravity Is 1.41

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