9th Chemistry MCQs Sindh Board
On this youtube channel you will learn Ninth Class Chapter No.06 Solutions. Solved chapter with book exercise MCQs With Solved Answers. If you are looking 9th Class sukkur Sindh Board chemistry Chapter Wise Solved MCQs With Answers You are on this channel "Naz Online Academy ". You will learn online here Objective type IX Class chemistry Solved Unit 6 Most Repeated MCQs with Solved Answers.
Questions solved:
1. An alloy is the homogeneous mixture of:
A. Two solids
B. Two liquids
C. Two gases
D. Solid & Gase
2. A saturated solutíon of KCl on heating becomes:
A. Unsaturated
B. Super saturated
C. Diluted
D. All of these
3. If we dissolve sand into the water, then the mixture is said to be:
A. solution
B. suspension
C. colloids
D. Concentrated solution
4. Solubility is usually expressed in grams of the solute dissolved in _______ gram of a solvent.
A. 10 grams
B. 100 grams
C. 500 grams
D. 1000 grams
5. Example of a heterogeneous mixture is:
A. Sugar and water
B. Sand and water
C. Salt and water
D. Ink and water
6. 2 moles of sodium chloride (NaCl) is equal to:
A.123 grams
B. 135 grams
C. 158 grams
D. 117 grams
7. Molarity of a solution which is prepared by dissolving 40g sodium chloride in 500cm3 of a solution is:
A. 1.4 M
B. 1.5 M
C. 1.33 M
D. 1.36 M
8. 10% (w/w) sugar solution mean that 10 grams of solute dissolved in:
A. 90 g of water
B. 95 g of water
C. 100 g of water
D. 105 g of water
9. An example of a true solution is:
A. solution of starch
B. solution of soap
C. ink in water
D. Tooth paste
10. Which solution contains more water?
A. 1.0 M
B. 0.75 M
C. 0.5 M
D. 0.25M
11. When a saturated solution is diluted, it changes into:
A. Saturated solution
B. Unsaturated solution
C. Concentrated solution
D. Super saturated solution
12. Butter is an example of a solution:
A. gas- liquid
B. Solid - liquid
C. liquid - solid
D. Gas - solid
13. A solution that contains solid solute into the liquid solvent is called:
A. Solids in gas
B. Liquids in solids
C. Solids in solids
D. Solids in liquid
14. What is the particle size in suspension?
17. Glass of milk, blood and tap water are the examples of:
A. Solution
B. Solute
C. Solvent
D. None of them
18. In aqueous solution, water is present in greater amount and termed as:
A. Solution
B. Solute
C. Solvent
D. None of them
19. The component of a solution which is always present in smaller amount is called the:
A. Solution
B. Solute
C. Solvent
D. None of them
20. It is also called as the universal solvent.
A. Alcohol
B. Water
C. Mineral oil
D. kerosene oil
21. A solution that cannot dissolve more solute in it at a particular temperature is called a:
A. Saturated solution
B. Un saturated solution
C. Supersaturated solution
D. Diluted solution
22. A solution that can dissolve more solute than It contained in the saturated solution after heating is called a:
A. Saturated solution
B. Un saturated solution
C. Diluted solution
D. Supersaturated solution
26. In carbonated drinks, the state of solute is:
A. Gas
B. Liquid
C. Solid
D. All of these
27. In fog, the state of solvent is:
A. Gas
B. Liquid
C. Solid
D. All of these
25. Concentration =
28. Molarity is defined as the number of moles of solute dissolved in:
A. 1 ml
B. 1 cm3
C. 1 dm3
D. 1000 cm3
24. Solubility is increased by:
A. Increasing the temperature
B. Decreasing the temperature
C. leaving the solution for a period of time
D. All of the above
29. 2 moles of water is equal to:
A. 18 g
B. 36 g
C. 56 g
D. 46 g
23. A solution that contains large amount of dissolved solute is called:
A. Dilute
B. Super saturated
C. Saturated
D. concentrated
16. Homogenous mixture of solute and solvent is called:
A. Solvent
B. Solute
C. Solution
D. Suspension
30. Solubility Is usually expressed in grams of solute per:
A. 10 grams of solvent
B. 100 grams of solvent
C. 1000 grams of solvent
D. 10000 grams of solvent
15. Suspensions are _______
A. Homogeneous
B. Heterogeneous
C. Uniform
D. Solutions
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