Acids & Bases Challenge

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Quiz on acids, bases, pH & reactivity

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science rania

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Froggy Jumps Acids & Bases ChallengeOnline version Quiz on acids, bases, pH & reactivity by 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

Froggy Jumps

Acids & Bases ChallengeOnline version

Quiz on acids, bases, pH & reactivity

by science rania

Which statement best defines Arrhenius acids and bases?

Acids and bases both increase pH.

Acids produce H+ in solution; bases produce OH-.

Acids donate electrons; bases accept protons.

Bronsted-Lowry theory defines acids as what?

Substances that accept electrons.

Substances that donate protons (H+).

Substances that donate OH-.

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

Around pH 7

Below pH 0

Above pH 14

Which of the following is a strong acid?

HCl (hydrochloric acid)

NH3

CH3COOH

Which of the following is a weak base?

NaOH

KOH

NH3 (ammonia)

What happens in a neutralization reaction?

An acid reacts with a base to form a salt and water.

A salt is converted to an acid and base.

A base decomposes to form acids.

Which statement correctly describes a conjugate base?

A species that donates a proton to become an acid.

A neutral molecule in water.

A species that remains after an acid donates a proton.

Which pH indicator changes color in acidic vs basic solutions?

Cobalt chloride (blue in acid)

Phenolphthalein (colorless in acid, pink in base)

Methyl orange (red in base)

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

It only partially dissociates.

It ionizes completely.

It forms a basic solution.

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

NaOH (sodium hydroxide)

NH4+

NH3

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Acids & Bases Challenge

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Acids & Bases ChallengeOnline version

by 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?

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