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Solubility



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Q1. What is the substance, present in a larger quantity that tends to establish homogenous bonds with a foreign substance, introduced in smaller quantity?

(a) Solute
(b) Element
(c) Solvent
(d) Compound

Q2. What is the concentration of N2 in a fresh water stream in equilibrium with air at 298 K and 1 atmosphere? Given the value of KH for N2 = 0.00060 mole/kgbar.

(a) 0.0474 g/kg
(b) 0.0005 g/kg
(c) 1316.7 g/kg
(d) 13.3 g/kg

Q3. Which of the following best describes the difficulty in breathing as one climbs to higher altitudes?

(a) Henry?s law
(b) Raoult?s law
(c) Osmotic pressure
(d) Relative lowering of atmospheric pressure

Q4. If, at 298 K water is the solvent, and Henry?s law constant for CO2 is 1.67 kbar and the constant of argon is 40.3 kbar, which of the following statements is true?

(a) Argon is more soluble than CO2
(b) Argon is less soluble than CO2
(c) Argon is insoluble in water
(d) Argon and CO2 are equally soluble

Q5. When CO2 is introduced into aerated drinks and sealed, what is the nature of the graph between partial pressure of CO2 and its concentration in the drink?

(a) Exponentially increasing
(b) Positive slope
(c) Negative slope
(d) Constant

Q6. How does the solubility of gas change in a liquid, as described?

(a) Increases with decreasing pressure
(b) Increases with increasing temperature
(c) Decreases with increasing temperature
(d) Decreases with increasing pressure

Q7. In a saturated solution with endothermic dissolution, how does the concentration of dissolved solute change with increasing then decreasing temperature?

(a) Keeps increasing
(b) Keeps decreasing
(c) Increases and decreases
(d) Decreases and increases

Q8. ?The process of dissolution of solute in the solvent takes place even after saturation?. Is this true or false?

(a) True
(b) False
(c)
(d)

Q9. Which of the following solvents would most likely dissolve 3-Aminopropan-1-ol?

(a) C6H5OH
(b) C2H5OH
(c) H2O
(d) CH3COCH3

Q10. What is defined as the concentration of dissolved solute in a solvent beyond which none of it, if added to the solvent, will increase the concentration further more?

(a) Solubility
(b) Saturation point
(c) Solvent capacitance
(d) Molar equilibrium concentration


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0 Answer
907 views

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

Modified 0 Year Ago

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0 Year Ago

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

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0 Answer
786 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

Modified 239 Year Ago

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239 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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0 Answer
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 239 Year Ago

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239 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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0 Answer
675 views

The Solubility Of A Gas In Water Depends On

Modified 239 Year Ago

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239 Year Ago

The Solubility Of A Gas In Water Depends On

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0 Answer
596 views

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

Modified 239 Year Ago

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239 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 0 Year Ago

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0 Year Ago

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

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