Chemistry - Acids, Bases, and Salts - MCQs
Study the properties of acids, bases, salts, and their reactions in aqueous solutions.
What is the result of adding vinegar to baking soda?
A. Carbon dioxide gas is produced.
B. No reaction occurs.
C. A salt is formed.
D. Water is produced.
Answer: Carbon dioxide gas is produced.
What is the pH of pure water?
A. 0
B. 7
C. 14
D. Neutral
Answer: 7
Which of the following salts is produced from the reaction of sulfuric acid and sodium hydroxide?
A. Sodium sulfate
B. Sodium chloride
C. Sodium nitrate
D. Sodium phosphate
Answer: Sodium sulfate
Which of the following bases is often used in food preparation?
A. Sodium hydroxide
B. Calcium hydroxide
C. Potassium hydroxide
D. Ammonium hydroxide
Answer: Calcium hydroxide
Which of the following salts is commonly used in baking?
A. Sodium bicarbonate
B. Calcium carbonate
C. Magnesium sulfate
D. Potassium chloride
Answer: Sodium bicarbonate
What is the effect of acids on carbonates?
A. No effect
B. Reacts to produce carbon dioxide
C. Neutralizes them
D. Forms salts only
Answer: Reacts to produce carbon dioxide
Which of the following acids is known for its role in the Krebs cycle?
A. Citric acid
B. Acetic acid
C. Lactic acid
D. Sulfuric acid
Answer: Citric acid
Which acid is used in car batteries?
A. Acetic acid
B. Sulfuric acid
C. Nitric acid
D. Phosphoric acid
Answer: Sulfuric acid
Which of the following bases is commonly used in household cleaning products?
A. Sodium hydroxide
B. Potassium hydroxide
C. Calcium hydroxide
D. Ammonium hydroxide
Answer: Sodium hydroxide
What happens when you mix water with strong acid?
A. No reaction occurs.
B. Heat is released.
C. Gas is produced.
D. It turns blue litmus red.
Answer: Heat is released.