Acid base pH and indicators
Quiz by Edwards
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20 questions
Show answers
- Q1What color does phenolphthalein turn in a basic solution?YellowPinkBlueGreen30s
- Q2What is the pH range of a neutral solution at 25°C?0145730s
- Q3Which of the following indicators is commonly used to test for acidity?Citric acidEthanolSugarLitmus paper30s
- Q4What happens to the pH of a solution when an acid is added?The pH decreasesThe pH increasesThe pH becomes neutralThe pH remains the same30s
- Q5What color does bromothymol blue turn in an acidic solution?BlueGreenPurpleYellow30s
- Q6What is the approximate pH of lemon juice?5102830s
- Q7Which of the following is a strong base?Acetic acidSodium hydroxideSodium bicarbonateCarbonic acid30s
- Q8Which pH indicator can be used to determine the endpoint of a titration in a strong acid and strong base reaction?PhenolphthaleinMethyl orangeLitmusBromothymol blue30s
- Q9What is the effect of dilution on the pH of a strong acid solution?The pH remains the sameThe pH increasesThe pH becomes neutralThe pH decreases30s
- Q10What is the color of universal indicator in a neutral solution?YellowRedBlueGreen30s
- Q11Which pH range indicates a solution is acidic?7-140-66-88-1030s
- Q12What color does phenolphthalein turn in a basic solution?YellowBlueGreenPink30s
- Q13What is the pH of a neutral solution at 25°C?1701430s
- Q14Which of the following substances is a common indicator used to test pH?LitmusSaltBaking SodaSugar30s
- Q15Which of the following pH values indicates a basic solution?3126830s