Quiz for Acids, Bases, and Salts

Q1: Which of the following is a strong acid?

A. Acetic acid B. Citric acid C. Hydrochloric acid D. Carbonic acid

Q2: Which of the following is a property of bases?

A. Sour taste B. Bitter taste C. Corrosive D. Colorless

Q3: What is the pH of a neutral solution?

A. 0 B. 14 C. 7 D. 1

Q4: Which of these is used to test for acids?

A. Red litmus paper B. Blue litmus paper C. Methyl orange D. Phenolphthalein

Q5: Which of these is a basic salt?

A. Sodium chloride B. Ammonium chloride C. Sodium carbonate D. Copper sulfate

Q6: What is formed when an acid reacts with a base?

A. Salt only B. Water only C. Salt and water D. Gas

Q7: Which of the following is a natural indicator?

A. Phenolphthalein B. Methyl orange C. Litmus D. Thymol blue

Q8: Which of these substances is acidic?

A. Lime water B. Vinegar C. Soap solution D. Ammonia

Q9: The chemical formula of sulfuric acid is:

A. HCl B. H2SO4 C. HNO3 D. CH3COOH

Q10: Which gas is released when acids react with metals?

A. Carbon dioxide B. Oxygen C. Hydrogen D. Nitrogen

Q11: What happens to red litmus paper in a base?

A. Turns blue B. Turns red C. Remains red D. Becomes colorless

Q12: Which of these is a weak acid?

A. Sulfuric acid B. Hydrochloric acid C. Acetic acid D. Nitric acid

Q13: Which acid is present in lemon?

A. Oxalic acid B. Citric acid C. Tartaric acid D. Acetic acid

Q14: Which base is used in making soap?

A. Sodium hydroxide B. Potassium nitrate C. Calcium chloride D. Ammonium nitrate

Q15: The process of neutralization results in:

A. Only acid B. Only base C. Salt and water D. Hydrogen gas

Q16: Which is a strong base?

A. Sodium hydroxide B. Calcium carbonate C. Ammonium hydroxide D. Magnesium hydroxide

Q17: The pH of an acidic solution is:

A. Greater than 7 B. Equal to 7 C. Less than 7 D. More than 14

Q18: Which substance turns red litmus paper blue?

A. Acid B. Base C. Salt D. Water

Q19: What is the nature of lime water?

A. Acidic B. Neutral C. Basic D. None

Q20: Which of these is an acidic salt?

A. Sodium acetate B. Sodium sulfate C. Ammonium chloride D. Sodium chloride