Acids & Bases Challenge

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Quiz on acids, bases, pH & reactivity

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science rania

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Acids & Bases Challenge


Froggy Jumps Acids & Bases ChallengeVersion en ligne Quiz on acids, bases, pH & reactivity par science rania 1 Which statement best defines Arrhenius acids and bases? a Acids and bases both increase pH. b Acids produce H+ in solution; bases produce OH-. c Acids donate electrons; bases accept protons. 2 Bronsted-Lowry theory defines acids as what? a Substances that accept electrons. b Substances that donate protons (H+). c Substances that donate OH-. 3 What is the pH range of a neutral solution at 25°C? a Around pH 7 b Below pH 0 c Above pH 14 4 Which of the following is a strong acid? a HCl (hydrochloric acid) b NH3 c CH3COOH 5 Which of the following is a weak base? a NaOH b KOH c NH3 (ammonia) 6 What happens in a neutralization reaction? a An acid reacts with a base to form a salt and water. b A salt is converted to an acid and base. c A base decomposes to form acids. 7 Which statement correctly describes a conjugate base? a A species that donates a proton to become an acid. b A neutral molecule in water. c A species that remains after an acid donates a proton. 8 Which pH indicator changes color in acidic vs basic solutions? a Cobalt chloride (blue in acid) b Phenolphthalein (colorless in acid, pink in base) c Methyl orange (red in base) 9 Which of the following is a property of a strong acid in water? a It only partially dissociates. b It ionizes completely. c It forms a basic solution. 10 Which base is commonly used in labs and is a strong base? a NaOH (sodium hydroxide) b NH4+ c NH3

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Acids & Bases Challenge

Froggy Jumps

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Acids & Bases ChallengeVersion en ligne

par science rania

Which statement best defines Arrhenius acids and bases?

Bronsted-Lowry theory defines acids as what?

What is the pH range of a neutral solution at 25°C?

Which of the following is a strong acid?

Which of the following is a weak base?

What happens in a neutralization reaction?

Which statement correctly describes a conjugate base?

Which pH indicator changes color in acidic vs basic solutions?

Which of the following is a property of a strong acid in water?

Which base is commonly used in labs and is a strong base?