Froggy Jumps pH Detective QuizVersion en ligne Rules : Players will move across the board by correctly identifying household substances as acids, bases, or neutral substances using pH clues. The first player to reach the Finish space wins! par Iliana Mercado 1 What is the pH range of acids? a 6.1 to 7.9 b 7 to 14 c 0 to 6.9 2 What pH level is considered neutral? a 6 b 8 c 7 3 What does a pH of 14 indicate? a Weak acid b Neutral solution c Strong base 4 Which of the following is a common acid? a Baking soda b Soap c Vinegar 5 What is the main characteristic of a base? a It is sticky b It tastes bitter c It tastes sour 6 Which indicator turns red in acidic solutions? a Bromothymol blue b Litmus paper c Phenolphthalein 7 What is the pH of lemon juice? a Around 6 b Around 8 c Around 2 8 What does a pH meter measure? a Color of the solution b The acidity or basicity of a solution c Temperature of the solution 9 Which substance is a strong base? a Hydrochloric acid b Sodium hydroxide c Acetic acid 10 What happens to pH when you add an acid to water? a It stays the same b It decreases c It increases 11 What taste is commonly associated with strong acids? a Bitter b Sour c Salty 12 Which household substance is a weak acid? a Battery acid b Vinegar c Lemon juice 13 What color does litmus paper turn in a strong base? a Blue b Red c Green 14 Which substance is a strong base? a Baking soda b Drain cleaner c Milk 15 What indicator turns red in an acid? a Litmus paper b Bromothymol blue c Phenolphthalein 16 What effect does vinegar have on baking soda? a No reaction b Fizzing reaction c Melting 17 Which of the following is a strong acid? a Hydrochloric acid b Citric acid c Acetic acid 18 What is a characteristic of weak bases? a Slightly bitter taste b Sour taste c Strong smell 19 What happens to pH in a strong acid? a Remains unchanged b Decreases significantly c Increases slightly 20 What is a common household weak base? a Baking soda b Lye c Ammonia 21 What taste is commonly associated with strong acids? a Salty b Bitter c Sour 22 Which substance is a common weak acid found in vinegar? a Sulfuric acid b Acetic acid c Hydrochloric acid 23 What effect does baking soda have when mixed with vinegar? a Produces bubbles b Smells sweet c Turns blue 24 Which indicator turns red in acidic solutions? a Litmus paper b Phenolphthalein c Bromothymol blue 25 What household substance is a strong base? a Sodium hydroxide b Baking powder c Lemon juice 26 What is the pH range of weak acids? a 0 to 3 b 7 to 10 c 4 to 6 27 Which substance is commonly used as a pH indicator? a Sugar solution b Cabbage juice c Saltwater 28 What effect do strong bases have on skin? a Makes skin oily b Soothes skin c Can cause burns 29 Which common household item is a weak base? a Lemon juice b Vinegar c Baking soda 30 What is the pH of pure water? a 0 b 7 c 14
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