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 Flash card testing 50 Flashcards |
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What is the pH value of a strong acid? |
Card: 1 / 50 |
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Less than 7 |
Card: 2 / 50 |
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Which of the following is a strong acid? A) CH₃COOH B) HCl C) H₂CO₃ D) Lactic acid |
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B) HCl |
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Riddle: I am a solution that can neutralize acids and bases, commonly found in your kitchen. What am I? |
Card: 5 / 50 |
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Baking soda (NaHCO₃) |
Card: 6 / 50 |
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True or False: Weak acids completely dissociate in water. |
Card: 7 / 50 |
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False. Weak acids only partially dissociate in water. |
Card: 8 / 50 |
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The reaction between an acid and a base produces ______ and water. |
Card: 9 / 50 |
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Salt |
Card: 10 / 50 |
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What does a universal indicator measure? |
Card: 11 / 50 |
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The pH level of a solution |
Card: 12 / 50 |
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Which of the following bases is a strong base? A) NH₄OH B) NaOH C) H₂O D) CH₃COONa |
Card: 13 / 50 |
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B) NaOH |
Card: 14 / 50 |
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Fill in the blank: Acids react with metals to produce ______ and hydrogen gas. |
Card: 15 / 50 |
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Salt |
Card: 16 / 50 |
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True or False: All metals react with bases. |
Card: 17 / 50 |
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False. Only certain metals react with bases. |
Card: 18 / 50 |
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The process of adding acid to water is recommended to prevent ______. |
Card: 19 / 50 |
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Exothermic reactions |
Card: 20 / 50 |
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Riddle: I am formed when an acid and a base neutralize each other, and I taste salty. What am I? |
Card: 21 / 50 |
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A salt |
Card: 22 / 50 |
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What is formed when a metallic oxide reacts with an acid? |
Card: 23 / 50 |
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Salt and water |
Card: 24 / 50 |
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Which base is known as an alkali? |
Card: 25 / 50 |
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Sodium hydroxide (NaOH) |
Card: 26 / 50 |
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Fill in the blank: The pH scale ranges from 0 to ______. |
Card: 27 / 50 |
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14 |
Card: 28 / 50 |
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True or False: Baking soda has a neutral pH. |
Card: 29 / 50 |
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False. Baking soda has a basic pH. |
Card: 30 / 50 |
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What type of reaction occurs when metal carbonates react with acids? |
Card: 31 / 50 |
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Salt, carbon dioxide, and water are produced. |
Card: 32 / 50 |
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Which of the following is not an indicator? A) Litmus B) Phenolphthalein C) Sodium hydroxide D) Methyl orange |
Card: 33 / 50 |
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C) Sodium hydroxide |
Card: 34 / 50 |
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Riddle: I help in digestion and require a low pH, what am I? |
Card: 35 / 50 |
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Hydrochloric acid (HCl) |
Card: 36 / 50 |
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Fill in the blank: The chemical formula for sodium bicarbonate is ______. |
Card: 37 / 50 |
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NaHCO₃ |
Card: 38 / 50 |
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What do acids and bases have in common? |
Card: 39 / 50 |
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Both can conduct electricity when dissolved in water. |
Card: 40 / 50 |
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Which of the following salts is formed from a strong acid and a strong base? A) NH₄Cl B) NaCl C) CH₃COONa D) Na₂CO₃ |
Card: 41 / 50 |
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B) NaCl |
Card: 42 / 50 |
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Fill in the blank: Non-metallic oxides react with bases to produce ______. |
Card: 43 / 50 |
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Salt and water |
Card: 44 / 50 |
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True or False: A salt formed from a weak acid and a weak base will always be neutral. |
Card: 45 / 50 |
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False. The pH cannot be predicted without a test. |
Card: 46 / 50 |
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What is the primary use of bleaching powder? |
Card: 47 / 50 |
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As a bleaching agent and disinfectant |
Card: 48 / 50 |
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Which gas is released when an acid reacts with a metal? |
Card: 49 / 50 |
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Hydrogen gas (H₂) |
Card: 50 / 50 |
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Completed! Keep practicing to master all of them. |
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