11th Class Chemistry Chapter 09 MCQs with Answers

Welcome to the 11th Class Chemistry Chapter 09 MCQs Online Test. We are presenting you with top MCQ questions from the 11th Class Chemistry Chapter Basic concept of Chemistry

We want to tell you that you can find all the 11th Class Chemistry Chapter 09 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Intermediate Exams. We are making these Class 11 Chemistry MCQs online tests for those who want full marks in their exams. Attempt all these Grade 11 Chemistry Online Multiple Choice Questions MCQs before going for the exam and it will be beneficial for you! These online tests contain all the important multiple choice questions in the important topics of the FSC Part 1  Chemistry Chapter 09 Basic concept of Chemistry

11th Class Chemistry Chapter 09 MCQs with Answers

Youth For Pakistan has provided an excellent opportunity for the students of the 11th class to prepare their Chemistry Chapter 09 Basic concept of Chemistry online with the MCQs test.

This is a free platform for students to prepare for Chemistry Exams for Class 11 to get the best accomplishments in annual exams. 11th class Students can analyze themself by attempting this online test system as many times as they want until they find themself fully prepared.

MCQs Class 11 Chemistry with Answers

The purpose of these online MCQs tests is to help you evaluate your 11th Class Chemistry Chapter 09 MCQs. These Multiple Choice Questions (MCQs) will prepare you for your academic success in the 11th Class Exams. 11th Class Chemistry Chapters include Chapter 1 Basic concept, Chapter 2 Experimental Techniques in Chemistry, Chapter No 3 Gases, Chapter 4 Liquids & Solids, Chapter 5 Atomic Structure, Chapter 6 Chemical Bonding, Chapter 7 Thermochemistry, Chapter 8 Chemical Equilibrium, Chapter 9 Solutions, Chapter 10 Electrochemistry and Chapter 11 Reaction Kinetics

What are the Solutions?

A solution is a homogeneous mixture of one or more solutes dissolved in a solvent. solvent: the substance in which a solute dissolves to produce a homogeneous mixture. solute: the substance that dissolves in a solvent to produce a homogeneous mixture.

Chapter 9 Solutions

1. Depression in the freezing point is directly proportional to:

  1. Molarity of solution
  2. Molality of solution
  3. Molality of solvent
  4. None

2. Molarity of solution is expressed in:

  1. Moles/kg
  2. g.dm 3
  3. dm3 mole-1
  4. mole. dm3

3. The no. of moles of solute dissolved per dm3 of solution is called which among the following:

  1. Molarity
  2. Molality
  3. Normality
  4. Mole fraction

4. Benzene – ether can form:

  1. Ideal solution
  2. Non-ideal solution
  3. Buffer solution
  4. None of these

5. In a mixture of 28 grams of N2 and 96 grams of O2 the mole fraction of N2:

  1. 1.1
  2. 0.51
  3. 0.25
  4. 0.11

6. Which salt dissolves in water to form a solution with a pH greater than 7.

  1. Naci
  2. CuSO4
  3. Na2CO3
  4. NHẠC

7. The number of moles of solute per kilogram of solvent is called:

  1. Molality
  2. Molarity
  3. Mole-fraction
  4. Normality

8. 0.1 molar of solute dissolved in 100g of the solvent will be:

  1. 0.1 molar
  2. 1.0 molal
  3. 0.5 molal
  4. none of these

10. The amount of NaOH required to prepared 250 cm of 1M solution in grams is:

  1. 10
  2. 15
  3. 20
  4. 25

11. 10g NaOH dissolved per 250 cm3 of solution has molality:

  1. 0.5 M
  2. 1.0M
  3. 1.5 M
  4. 2.0 M

12. The azeotropic mixture of solution showing positive deviation can be distilled at boiling point.

  1. Maximum
  2. Minimum
  3. No sharp
  4. None of these

13. The hydration energy of Br ion is_ _than F ion:

  1. Equal to
  2. Smaller than
  3. Greater than
  4. None of these

14. The molal boiling point elevation depends upon.

  1. Nature of solvent
  2. Vapour pressure of solution
  3. Nature of solute
  4. pH of solution

15. Chemical used to protect a car by preventing the liquid in the radiator from freezing is:

  1. Phenol
  2. Ethylene glycol
  3. KNO3
  4. Methanol

16. Which is a Colligative property?

  1. Change in vapour pressure of a solution
  2. Change in free energy of a solution (
  3. Solvent in the solution
  4. Lowering of vapour pressure of a solution

17. The concentration of solute in the solution when it is in equilibrium with the solid substance at a particular temperature is called its:

  1. Solubility Be
  2. Molarity
  3. Molality
  4. Mole fraction

18. Molar concentration is called:

  1. Active mass
  2. Weight
  3. Mass
  4. None of these

19. An aqueous solution of potassium acetate (CH3OOK) is:

  1. Acidic
  2. Basic
  3. Neutral
  4. Amphoteric

20. 2g of NaOH is dissolved in 500 cm3 of solution. The molarity of the solution is:

  1. 2.0 M
  2. 1.0 M
  3. 0.2
  4. 0.1 M

21. Which one of the following gives acidic solution when dissolved in H2O?

  1. Naci
  2. Na2SO4
  3. NH4Cl
  4. CH3COONH4

22. In a mixture of 7g of N2 and 8g of O2 the mole fraction of O2 is:

  1. 1
  2. 0.2
  3. 0.5
  4. 0.2

23. Cheese and butter are the example of solution of:

  1. Liquid in liquid
  2. Solid in solid
  3. Liquid in solid
  4. Solid in liquid

24. A solution containing 5.3 g of Na2CO3 dissolved per dm’ is:

  1. 1.0 M Ta
  2. 0.1M
  3. 0.5 M
  4. 0.05 M

25. Water of crystallization of CuSO4 is:

  1. five
  2. ten
  3. two
  4. Six

26. If we dissolve Na2SO4 in water then the solution is:

  1. Acidic
  2. Basic
  3. Neutral
  4. All of these

27. Solution containing relatively lower concentrations of solutes are called:

  1. Dilute solutions
  2. Concentrated solutions
  3. Saturated solutions
  4. Ideal solutions

28. The critical solution temperature of phenol-water system is:

  1. 35.6°C
  2. 49.5°C
  3. 57.8°C
  4. 65.9°C

29. Which one of the following is an ideal solution: d

  1. CH3OH and H2O
  2. C6H6 and CCl4
  3. CHCl3 and (CH3)2CO
  4. H2O and HCI

30. The mass of Glucose required to prepare 1 dm of 20% glucose solution is:

  1. 18g
  2. 180g
  3. 369
  4. 200g

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