Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 18 (18 MCQs)

Quiz Instructions

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1. The ability of a solute to dissolve into a solvent.

Correct Answer: A) Solubility.

2. How many moles of HNO$_{3}$ are needed to prepare 5L of a 2M solution?

Correct Answer: B) 10 mol.

3. The thing that does the dissolving

Correct Answer: C) Solvent.

4. How many mols of HCl are in 3 liters of 2.0M HCl solution?

Correct Answer: A) 6.0.

5. When 5 grams of salt is added to 100 mL of water, which of the following changes will occur?

Correct Answer: C) The salt will dissolve.

6. One way to separate out a homogeneous mixture is to pick the pieces out.

Correct Answer: B) False.

7. Non-polar molecules tend NOT to dissolve in:

Correct Answer: A) Polar molecules.

8. In a sample of salt water, NaCl would be considered the .....

Correct Answer: D) Solute.

9. A measure of the amount of solute in a given amount of solvent or solution is .....

Correct Answer: D) Concentration.

10. SOLUTIONS HAVE LARGE AND HEAVY PARTICLES

Correct Answer: B) FALSE.

11. A bond with a partially negative end and a partially positive end is:

Correct Answer: D) Polar.

12. Which of these is a colloid?

Correct Answer: B) Paint.

13. The amount of solute dissolved in a given amount of solvent.

Correct Answer: B) Concentration.

14. How many solutions does this equation have?5z = 25

Correct Answer: A) One Solution.

15. What is the concentration, in percent by mass, of 0.62 g of solute in 45.0 g of solution?

Correct Answer: B) 1.4 %.

16. What type of mixture separates when left unmoved?

Correct Answer: D) Suspension.

17. Another name for a homogeneous mixture is a .....

Correct Answer: D) Solution.

18. What are solid solutions called?

Correct Answer: B) Alloy.