Entry Test 2021 Chemistry Solutions MCQS Online Preparation Sample Paper Questions with Answer

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Solution, Types of Solution, Properties of Solution, What is a Mixture, Characteristic of Solution.

The solution is a homogeneous mixture composed of a solute dissolved in a solvent and forming a single phase liquid. They can be categorized into several types based on the state of the solute and solvent, such as solid-solid, solid-liquid, liquid-liquid, and gas-liquid solutions. The properties of the solution include uniform composition, transparency, and the ability to pass through membranes via osmosis. Visit Nokryan.com in general.

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1. Which of the following solutions has the highest boil point?

  • 18.0% solution of glucose
  • 5.85% solution of sodium chloride
  • All have the same boiling point
  • 6.0% solution of glucose

2. Colligative properties are the properties of:

  • Both a and b
  • Dilute solutions which behave as nearly ideal solutions
  • Concentrations solutions which behave as nearly non-ideal solution
  • Neither a nor b

3. A solution of two components is called:

  • Original solution
  • Binary solution
  • Standard solution
  • Dilute solution

4. If the ionic product of a solution is less than the solubility product, the solution is:

  • Ideal
  • Supersaturated
  • Unsaturatedcorrect
  • Saturated

5. The ratio of the number of moles of a particular component of the solution to the total number of moles of all the components of the solution is called:

  • % age
  • Mole fraction
  • Formality
  • Molarity

6. The molal boiling point constant is the ratio of the elevation in boiling point to:

  • Mole fraction of solvent
  • Mole fraction of solute
  • Molality
  • Molarity

7. A solution of glucose is 10 percent. The volume in which 1g mole of it is dissolved will be

  • 1.8 dm³
  • 1 dm³
  • 200 cm³
  • 900 cm³

8. Number of moles of solute dissolved in 1kg of solvent is called:

  • Formality
  • Molarity
  • Mole fraction
  • Molalitycorrect

9. Dust particles in smoke is a solution of the type

  • solid is solute and liquid is solvent
  • Gas is solute and solid is solvent
  • Liquid is solute and solid is solvent
  • Solid is solute and gas is solvent

10. The number of moles of ammonium Chloride dissolved in 500cm¯³ of its 15% W/N solution is:

  • 1.4 mol
  • 2.0 mol
  • 1.0 mol
  • 2.4 mol

11. A homogeneous mixture of two or more than two chemical substances is called:

  • Solute
  • Solvent
  • Solution
  • Salvation

12. What is the molarity of a solution containing 15g urea in 500 cm³ of solution?

  • 1.0 M
  • 2.0 M
  • 1.5 M
  • 0.5 M

13. 10ml of 1.5M NaOH solution is naturalized by 20ml of a __ M HCI solution. The value of a will be:

  • 0.25
  • 0.75
  • 1
  • 0.5correct

14. The molarity of the solution containing x grams (NH₄)₂ SO₄ in 500 cm³ of the solution is 0.6. What is x?

  • 45.1
  • 40.5
  • 39.6
  • 42.7

15. Azeotropic mixture of two liquids boils at a lower temperature than either of them, when:

  • It shows positive deviation from Rault’s law
  • It is metastable
  • It shows negative deviation from Rult’s law
  • It is saturated

16. An aqueous solution of ethanol in water has vapour pressure:

  • Equal to that of water
  • Less than that of water
  • Equal to that of ethanol
  • More than that of H₂O

17. Molarity of pure water is:

  • 18
  • 55.5correct
  • 6
  • 1

18. Silver amalgam is a solution consisting of the type:

  • Gas is solute and solid is solvent
  • liquid is solute and solvent is solid
  • solid is solute and solid is the solvent
  • liquid is solute and liquid is solvent

19. The % age by weight of NaCI, if 6.0g of NaCI is dissolved in 120g of H₂O is:

  • 11.55%
  • 10.50%
  • 8.02%
  • 5%

20. 18 g of glucose is dissolved in 90g of water. The relative lowering of vapour pressure is equal to:

  • 5.1
  • 1/5
  • 6
  • 1/51

21. Two solutions of NaCI and KCI are prepared separately by dissolving same moles of them in the fixed amount of solvent. Which of the following statements is true for these solution?

  • KCI solution possesses lower freezing point than NaCI solution
  • KCI and NaCI solutions possess same vapour pressure
  • Both the solutions have different boiling point
  • KCI solution will have higher boiling point than NaCI solution

22. If ionic product of solution is greater than solubility products, the solution is:

  • None of above
  • Saturated
  • Unsaturated
  • Supersaturated

23. The process in which water molecules surround solute particles is called:

  • Hydrolysis
  • Hydration
  • Salvation
  • Dehydration

24. The molarity of toluene solution in benzene is 0.22 if 5.0g of toluene dissolved, then mass of benzene in grams is:

  • 240
  • 260
  • 247correct
  • 267

25. A solution which contains a relatively small amount of solute dissolved in the solvent is called?

  • Saturated solution
  • Ideal solution
  • Concentrated solution
  • Dilute solution


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