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- 1. Multiple ChoicePure water has a pH of 7. Pure water _______.is a baseis a neutral substancecould be either an acid or a baseis an acid
- 2. Multiple ChoiceMany cleaning solutions are bases. Which of the following is a property of most bases?feels slipperywhite colorcan only be liquidtastes sour
- 3. Multiple ChoiceHuman blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?strongly acidicslightly acidicstrongly basicslightly basic
- 4. Multiple ChoiceCarrie's teacher hands out test tubes filled with different chemicals and tells the students to identify their liquid as an acid, base, or neutral chemical. Carrie's test tube contains a clear chemical. She adds phenolpthalein to her test tube and gently moves the tube from side to side. A few moments later, the chemical in the test tube turns bright pink.
What type of chemical does Carrie have?Carrie has a neutral chemical.Carrie has an acidic chemical.Carrie has a basic chemical.The type of chemical Carrie has cannot be determined. - 5. Multiple ChoiceWhich of the following statements is correct?Blue litmus paper turns red when placed in a base.Red litmus paper turns blue when placed in a base.Blue litmus paper stays blue when placed in an acid.Red litmus paper stays red when placed in a base.
- 6. Multiple ChoiceWhich is the stronger acid?pH 1pH 4pH 8pH 13
- 7. Multiple ChoiceIn a base phenolphthalein will give what color?GreenBluePinkClear
- 8. Multiple ChoiceTurns litmus blue.AcidsBasesSaltsAll
- 9. Multiple ChoiceTurns litmus redAcidsBasesAll
- 10. Multiple ChoiceWhich has a pH above 7?AcidBase
- 11. Multiple ChoiceWhich has a pH below 7?AcidBase
- 12. Multiple ChoiceWhen put into a basic solution, red litmus paper ________.stays redturns blueturns magentaturns violet
- 13. Multiple ChoiceWhen put into a solution that is basic, phenolphthalein turns __________.bluevioletblackmagenta
- Answer choicesTagsAnswer choicesTags