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Osmosis and Osmotic pres..



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Q1. What is the design temperature of RO systems?

(a) 20?C
(b) 25?C
(c) 30?C
(d) 35?C

Q2. What is the maximum acceptable limit of temperature for RO?

(a) 20?C
(b) 30?C
(c) 40?C
(d) 50?C

Q3. The water flux of RO membranes ______ as water viscosity lowers.

(a) Increases
(b) Decreases
(c) Alters
(d) Fluctuates

Q4. The upper limit of brine concentration is ______ times the normal sea water.

(a) 1.5
(b) 2
(c) 2.5
(d) 3

Q5. The osmotic pressure of the brine increases proportionally to the salt concentration.

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

Q6. Concentrated seawater which is called _________

(a) Permeate
(b) Brine
(c) RO water
(d) Salt water

Q7. RO membranes are made of _______

(a) Plastic
(b) Cotton
(c) Silk
(d) Polymer

Q8. Membrane permeation rate increases proportionally to effective pressure.

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

Q9. What is the osmotic pressure for sea water?

(a) 1.5 Mpa
(b) 1.8 Mpa
(c) 2.3 Mpa
(d) 2.45 Mpa

Q10. The ________ the salt rejection, the better the system is performing.

(a) Higher
(b) Lower
(c) Moderate
(d) Poor


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906 views

2.5 L Of NaCl Solution Contain 5 Moles Of The Solute. What Is The Molarity ?

Modified 364 Year Ago

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364 Year Ago

2.5 L Of NaCl Solution Contain 5 Moles Of The Solute. What Is The Molarity ?

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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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238 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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773 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 238 Year Ago

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238 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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675 views

The Solubility Of A Gas In Water Depends On

Modified 238 Year Ago

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238 Year Ago

The Solubility Of A Gas In Water Depends On

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596 views

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

Modified 238 Year Ago

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238 Year Ago

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

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0 Answer
573 views

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

Modified 364 Year Ago

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364 Year Ago

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

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