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WorksheetsAcids and Bases Quiz
Total questions: 30
Worksheet time: 15mins
What is the origin of the word "acid"?
Greek
Latin
Arabic
English
Which of the following acids is found in lemons?
Lactic acid
Citric acid
Tartaric acid
Malic acid
What does the term "strength" of an acid refer to?
The amount of acid present
The number of hydrogen ions released
The pH value
The amount of water present
Which of the following is the strongest acid?
Hydrochloric acid
Citric acid
Sulphuric acid
Lactic acid
What is produced when acids react with metals?
Oxygen gas
Hydrogen gas
Water
Salt
What does a base produce when dissolved in water?
Hydrogen ions
Hydroxide ions
Water molecules
Salt
What is the pH of pure water?
5
7
9
14
What is the general term for the reaction between an acid and a base?
Oxidation
Reduction
Neutralization
Precipitation
Which substance can be used to neutralize a bee's sting?
Hydrochloric acid
Bicarbonate solution
Sulphuric acid
Salt
What is the common industrial use of sulphuric acid?
As a dehydrating agent
As a food preservative
As a flavor enhancer
As a bleaching agent
Which acid is commonly found in soft drinks?
Hydrochloric acid
Lactic acid
Carbonic acid
Sulphuric acid
What is the acidity of a base related to?
Number of replaceable hydrogen atoms
Number of hydroxyl ions
Strength of the acid
pH value
What color does litmus paper turn in an acidic solution?
Blue
Red
Yellow
Green
Which indicator remains colorless in acids?
Litmus
Methyl orange
Phenolphthalein
Universal indicator
What is formed when hydrochloric acid reacts with sodium hydroxide?
Sodium chloride and hydrogen gas
Sodium chloride and water
Sodium hydroxide and hydrogen
Salt and oxygen gas
Which of the following is a weak acid?
Hydrochloric acid
Citric acid
Sulphuric acid
Nitric acid
What is the term for substances that change color in the presence of an acid or base?
Reactants
Catalysts
Indicators
Bases
What is the pH range for a strong acid?
1-3
4-6
7-9
10-14
Which of the following is an example of a base used in antacids?
Magnesium hydroxide
Citric acid
Sulphuric acid
Nitric acid
Which metal forms sodium hydroxide when reacting with water?
Copper
Potassium
Calcium
Sodium
What is the valency of the hydroxyl group (OH)?
1
2
3
4
Which of the following acids is used in the purification of common salt?
Nitric acid
Sulphuric acid
Hydrochloric acid
Carbonic acid
What does a base do to an acid's chemical properties?
Increases acidity
Neutralizes it
Corrodes it
Increases reactivity
Which acid is used in the manufacture of fertilizers like ammonium nitrate?
Sulphuric acid
Nitric acid
Hydrochloric acid
Carbonic acid
What color does phenolphthalein turn in a basic solution?
Red
Yellow
Pink
Green
Which gas is liberated when potassium reacts with water?
Oxygen
Nitrogen
Hydrogen
Carbon dioxide
What is the pH of a strong alkali?
1
5
7
14
What compound is formed by the neutralization of an acid and base?
Gas
Salt
Alkali
Acid
Which ion is produced in water by acids?
Hydroxide ion (OH-)
Hydronium ion (H3O+)
Sodium ion (Na+)
Chloride ion (Cl-)
What is the basicity of H2SO4?
1
2
3
4
