Have an account?
Skip to Content
Build your own quiz
30 questions
Show Answers
See Preview
- 1. Multiple ChoiceIf H3O+ = 1.7 x 10-3 M, what is the pH of the solution?1.812.132.422.77
- 2. Multiple ChoiceWhat is the pH of a 10-4 M HCl solution?46810
- 3. Multiple ChoiceA water solution who pH is 10is always neutralis always basicis always acidicmight be neutral, basic or acidic
- 4. Multiple ChoiceA water solution whose pH is 4is always neutralis always basicis always acidicmight be neutral, basic or acidic
- 5. Multiple ChoiceThe pH scale in general uses ranges from0 to 1-1 to 10 to 70 to 14
- 6. Multiple ChoiceWhat is the pH of a neutral solution at 25oC?01714
- 7. Multiple ChoiceIf H3O+ of a solution is greater than OH-, the solutionis always acidicis always basicis always neutralmight be acidic, basic or acidic
- 8. Multiple ChoiceWhich expression represents the pH of a solution?log(H3O+)-log(H3O+)log(OH-)-log(OH-)
- 9. Multiple ChoiceWhat is the product of H3O+ ion and OH- ion concentrations in water?10-2810-1410-755.4
- 10. Multiple ChoicePure water containswater molecules onlyhydronium ions onlyhydroxide ions onlywater molecules, hydronium ions and hydroxide ions
- 11. Multiple ChoiceWhich of the following is a diprotic acid?H2SO4CH3COOHHClH3PO4
- 12. Multiple ChoiceA substance that ionizes nearly completely in aqueous solutions and produces H3O+ is aweak basestrong baseweak acidstrong acid
- 13. Multiple ChoiceBases feelroughmoistslipperydry
- 14. Multiple ChoiceBases tastesoapysoursweetbitter
- 15. Multiple ChoiceAcids react withbases to produce salts and watersalts to produce bases and waterwater to produce bases and saltsneither bases, salts nor water
- 16. Multiple ChoiceAcids tastesweetsourbittersalty
- 17. Multiple ChoiceHow many moles of ions are produced by the dissociation of 1 mol of Al2(CO3)32 mol4 mol5 mol11 mol
- 18. Multiple ChoiceHow many moles of ions are produced by the dissociation of 1 mol of MgCl2?0 mol1 mol2 mol3 mol
- 19. Multiple ChoiceTwo immiscible substancesexist together in one phasewill not separate on standingdissolve freely in one another in any proportionwill not form a solution
- 20. Multiple ChoiceWhich of the following is likely to produce crystals if disturbed?an unsaturated solutiona supersaturated solutiona saturated solutionan electrolytic solution
- 21. Multiple ChoiceWhich of the following will dissolve most rapidly?sugars cubes in cold watersugar cubes in hot waterpowdered sugar in cold waterpowdered sugar in hot water
- 22. Multiple ChoiceWhich of the following does not increase the rate of dissolving a solid in water?raising the temperature of the waterstirring the solutionusing larger pieces of the solidcrushing the solid
- 23. Multiple ChoiceThe Tyndall effect is used to distinguish betweenliquids and solidssolutions and colloidselectrolytes and nonelectrolytessolvents and solutes
- 24. Multiple ChoiceA metal solution is a(n)colloidalloysuspensionemulsion
- 25. Multiple ChoiceWhich mixture contains visible particles that settle out unless the mixture is stirred?a colloida homogeneous mixturea solutiona suspension
- 26. Multiple ChoiceWhich of the following is a homogeneous mixture of substances in a single phase?a solutiona colloida compounda suspension
- 27. Multiple ChoiceWhich of the following is a heterogeneous mixture?watera sugar-water solutionwhole wheat breadsugar
- 28. Multiple ChoiceA 1.00 L sample of a gas has a mass of 1.92 g at STP. What is the molar mass of the gas?1.92 g/mol19.2 g/mol22.4 g/mol43.0 g/mol
- 29. Multiple ChoiceThe gas pressure inside a container decreases whenthe number of gas molecules is increasedthe number of gas molecules is decreasedthe temperature is increasedthe number of gas molecules is increased
- 30. Multiple ChoiceThe equation for the production of methane is C + 2H2 (g) --> CH4 (g). How many liters of hydrogen are needed to produce 20. L of methane?2.0 L20. L22.4 L40. L
- Answer choicesTagsAnswer choicesTags