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- 1. Multiple ChoiceIn a gas to liquid mixture, an increase in temperature means...increase in solubilitydecrease in solubility
- 2. Multiple ChoiceTrue or false: The smaller the particle size(large surface area per unit volume) means...increase in solubilitydecrease in solubility
- 3. Multiple ChoiceWhich will dissolve faster crushed table salt or crystal of table salt?crushed table saltcrystal of table salt
- 4. Multiple ChoiceStirring the solution increases or decreases the solubility?increasesdecreases
- 5. Multiple ChoiceTrue or False: Smaller particles have more edges and corners where the solvent can being contact.TrueFalse
- 6. Multiple ChoiceDecreasing the pressure of gases in liquids means...increase in solubilitydecrease in solubility
- 7. Multiple ChoiceTrue or False: The higher the pressure, the more molecules of gas are close to the solvent and the greater the chance of a gas molecule striking the surface and entering the solution.TrueFalse
- 8. Multiple ChoiceIn a solid to liquid mixture, an increase in temperature means...increase in solubilitydecrease in solubility
- 9. Multiple Choice
To increase the solubility of a solid, you can
Increase the temperature of solution
Decrease the temperature of solution
Heat up the solute
Cool the solute
- 10. Multiple Choice
To increase the solubility of a gas, you can
Increase the temperature of solution
Decrease the temperature of solution
- 11. Multiple ChoiceWhich of the following statements is true about how using smaller salt crystals would affect the rate of making a salt solution in water?Smaller crystals increase the surface area and slow down dissolving.Smaller crystals decrease the surface area and speed up dissolving.Smaller crystals increase the surface area and speed up dissolving.Smaller crystals decrease the surface area and slow down dissolving.
- 12. Multiple Choice
At 30'C, which substance has the lowest solubility?
KNO3
KBr
NaCl
Yb2(SO4)3
- 13. Multiple Choice
At which temperature do KBr and KNO3 have the same solubility?
60
55
50
Never
- 14. Multiple Choice
Which of the following actions will NOT
increase the rate of dissolution
(dissolving) for solids?
Stirring the solution
Decreasing the temperature
Increasing the surface area of the
solute
Increasing the temperature
- 15. Multiple Choice
As you increase the pressure, solubility of Salt (Sodium chloride) in water would __________________.
increase
decrease
remain the same
- 16. Multiple Choice
Polar solute dissolves in __________ solvent and Non polar solutes dissolves in ___________ solvents.
polar; non polar
non polar; non polar
polar; polar
non polar; polar
- 17. Multiple Choice
"Like dissolves Like". Is it True or False?
True
False
- 18. Multiple Choice
A gaseous solute will dissolve easily in a pressure of (A) 100 Torr or (B) 200 Torr.
100 Torr
200 Torr
none of them
- 19. Multiple Choice
Ionic compounds will be dissolved in ________________ solvents.
polar
non polar
none of them
- 20. Multiple Choice
Changing pressure will increase the solubility of solids. TRUE or FALSE?
TRUE
FALSE
- Answer choicesTagsAnswer choicesTags