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WorksheetsAcids and Bases Quiz
Total questions: 24
Worksheet time: 24mins
What is released into an aqueous solution by an acid?
Hydroxide ions (OH⁻)
Hydrogen ions (H⁺)
Sodium ions (Na⁺)
Chloride ions (Cl⁻)
Which of the following is a property of acids?
Taste bitter
Feel slippery or soapy to touch
Taste sour
Reacts to breakdown fat and oils
Which of the following acids is used in fertilizers and explosives?
Hydrochloric acid (HCl)
Sulfuric acid (H₂SO₄)
Nitric acid (HNO₃)
Lactic acid (C₃H₆O₃)
What is a common use of sodium hydroxide (NaOH)?
Baking
Producing soap and stripping paint
Household cleaner
Antacids
Which of the following is a property of bases?
Taste sour
Produce prickling or burning if in contact with skin
Feel slippery or soapy to touch
Acts as a preservative by stopping the growth of bacteria
Which base is commonly used in baking?
Calcium hydroxide (Ca(OH)₂)
Sodium hydroxide (NaOH)
Ammonium hydroxide (NH₄OH)
Sodium bicarbonate (NaHCO₃)
What determines the strength of an acid?
The number of hydroxide ions released into the solution
The number of hydrogen ions released into the solution
The number of sodium ions released into the solution
The number of chloride ions released into the solution
Which acid is found in vinegar?
Hydrochloric acid (HCl)
Sulfuric acid (H₂SO₄)
Ethanoic (acetic) acid (CH₃COOH)
Lactic acid (C₃H₆O₃)
What is a common use of magnesium hydroxide (Mg(OH)₂)?
Paper production
Producing soap and stripping paint
Household cleaner
Antacids
Which of the following is a property of strong bases?
Taste sour
Corrosive
Caustic
Acts as a preservative
What is an indicator in chemistry?
A chemical that changes color depending on how acidic or basic a solution is
A device used to measure temperature
A substance that dissolves in water
A tool used to measure weight
What is a universal indicator?
A chemical that changes color depending on temperature
A chemical that turns a variety of colors to indicate pH levels
A device used to measure pH
A paper soaked in a chemical solution
What is litmus paper?
A chemical that changes color depending on pH
A chemical-soaked piece of paper
A device used to measure acidity
A substance that dissolves in water
What color does blue litmus paper turn in an acidic solution?
Blue
Green
Red
Yellow
What color does red litmus paper turn in a basic solution?
Red
Blue
Green
Yellow
What does the pH scale describe?
The temperature of a solution
The acidity or alkalinity of a solution
The density of a solution
The color of a solution
Which substance is most acidic according to the pH scale?
Battery
Lemon
Tomato
Milk
Which substance is most alkaline according to the pH scale?
Soap
Stomach Tablets
Ammonia Solution
Drain Cleaner
What is an acid?
A substance that releases hydroxide ions (OH⁻) into aqueous solution.
A substance that releases hydrogen ions (H⁺) into aqueous solution.
A substance that releases oxygen ions (O²⁻) into aqueous solution.
A substance that releases nitrogen ions (N³⁻) into aqueous solution.
What is a base?
A substance that releases hydrogen ions (H⁺) into aqueous solution.
A substance that releases oxygen ions (O²⁻) into aqueous solution.
A substance that releases hydroxide ions (OH⁻) into aqueous solution.
A substance that releases nitrogen ions (N³⁻) into aqueous solution.
On what does the strength of an acid depend?
The number of hydroxide ions released into the solution.
The number of oxygen ions released into the solution.
The number of hydrogen ions released into the solution.
The number of nitrogen ions released into the solution.
On what does the strength of a base depend?
The number of hydrogen ions released into the solution.
The number of oxygen ions released into the solution.
The number of nitrogen ions released into the solution.
The number of hydroxide ions released into the solution.
Which of the following substances has a pH value of 7, indicating it is neutral?
Lemon
Water
Baking Soda
Vinegar
What is the pH value of stomach acid?
3
5
1
7
