Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 22 (25 MCQs)

Quiz Instructions

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1. A Eukaryotic cell is .....
2. $8x+1=8x+1$
3. Molarity concentration is abbreviated as .....
4. Which of the following solubility rules is correct?
5. A student is given a beaker containing gravel and water. Which of these ways could the student NOT use to separate the gravel from the water? (5.5C)
6. Factor9x$^{2}$-6x-8
7. 4(x-5) + 3 = 2(2x + 9)
8. What type of solution contains more dissolved solute than it can hold at a given temperature?
9. The author's message about life is known as the story's-
10. When a substance will not dissolve in water:
11. Which one of the following solids is insoluble (not soluble) in water?
12. What is the molarity of 4 g of NaCl (MM=58.45) in 3, 800 mL of solution?
13. Sodium hydroxide, NaOH will dissolve in water and will produce ions. Which of the following are true?
14. In a cup of Kool-Aid, the solute is the
15. True or False? The higher the concentration of a solution the less solutes it has in it.
16. With a gaseous solute, an increase in temperature means .....
17. Henry scooped up a bucket of salt water that also had pebbles and sand. Select the answer that shows the tools in the order you would use to separate this mixture.
18. How many solutions would this system of equations have?6m+18=2m+18
19. Which do you think will dissolve first in the same amount of solvent and same temperature? (granulated sugar or powdered sugar)
20. Students accidentally dropped a mixture of sand and iron filings into a cup of water. How could they quickly separate these three substances?
21. A phase change can be observed at the molecular scale and can be explained at the macro-scale.
22. Which of the following actions will NOTincrease the rate of dissolution(dissolving)?
23. Which of the following is NOT TRUE about Heterogeneous Mixtures?
24. What is the difference between a mixture and a solution?
25. Which is the most concentrated solution?