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- 1. Multiple ChoiceAmmonia has a pH of 12. Ammonia is __________.an acida basean elementa metal
- 2. Multiple ChoiceSoap is a weak base. What is true about the taste of bases?they taste sourthey taste sweetthey taste bitterthey taste salty
- 3. Multiple ChoiceExplain what happens when a strong acid and a strong base are poured into the same container.they form separate layersthey mix physically but not chemicallythey break apart into separate elementsthey react chemically to form a salt
- 4. Multiple ChoiceWhen dissolved in water, bases produce:acidssaltshydrogen ionshydroxide ions
- 5. Multiple ChoiceWhich of these solutions is an acid?Dish Soap: pH of 12Tomato Soup: pH of 4Baking Soda: pH of 9Drain Cleaner: pH of 14
- 6. Multiple ChoiceWhat does the pH scale measure?the concentration of acids and basesthe malleability of a metalthe temperature of the water in a swimming poolthe amount of phosphorus in a compound
- 7. Multiple ChoiceCompounds form when _______________.atoms of one element bond togetheratoms of two or more elements bond togethermolecules of one element are mixed togethermolecules of two or more elements are mixed together
- 8. Multiple ChoiceThe pH of vinegar is 2.5. Vinegar is a _____________.strong acidstrong baseweak baseweak acid
- 9. Multiple ChoiceWhich of the following is true about acids and bases?The lower the pH, the stronger the acidthe higher the pH, the stronger the acidThe lower the pH, the more neutral the acidThe higher the pH, the weaker the base
- 10. Multiple ChoiceWhich type of ion does a base produce when it is dissolved in water?oxideoxygenhydrogenhydroxide
- 11. Multiple ChoiceWhich statement is true when acids and bases are mixed together?acids become strongerbases become strongerthere is no changethey neutralize each other
- 12. Multiple ChoiceRanging from 0 to 14, a pH value indicates how acidic or basic a solution is. Which of these pH values would be a strong acid?26913
- 13. Multiple ChoiceWhat is the pH of water?04714
- 14. Multiple ChoiceWilliams collected a rain sample and measured its pH to be 5.6. What does this mean?the rain water is a weak basethe rain water is neutralthe rain water is a strong acidthe rain water is a weak acid
- 15. Multiple ChoiceWhat does a pH of 1 indicate about a liquid?it is a very strong baseit is a weak baseit is a weak acidit is a strong acid
- 16. Multiple ChoiceLitmus paper can tell you if a solution is acidic, neutral or basic by changing color when placed in a solution. If you test a base with litmus paper, it will turn ____________.purpleredbluepink
- 17. Multiple ChoiceWhat is the pH of a neutral substance?05710
- 18. Multiple ChoiceWhich of these pH values would indicate that a solution is a weak base?45.6813
- 19. Multiple ChoiceWhen dissolved in water, acids produce:basessaltshydrogen ionshydroxide ions
- 20. Multiple ChoiceAny substance that produces hydroxide ions in water is known as _____________.an acida hydrogen iona basea neutral
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