Acid and Bases MCQs

51. Which acid is used in soft drinks?
A) HCl
B) H₂SO₄
C) H₃PO₄
D) HNO₃
Answer: C

52. Which base is used in soap making?
A) NaOH
B) HCl
C) HNO₃
D) CO₂
Answer: A

53. Which substance neutralizes acid in soil?
A) Lime
B) Vinegar
C) HCl
D) CO₂
Answer: A

54. Which acid is present in sour milk?
A) Acetic acid
B) Lactic acid
C) Citric acid
D) Formic acid
Answer: B

55. Which compound is a strong electrolyte?
A) CH₃COOH
B) HCl
C) NH₄OH
D) H₂O
Answer: B

56. Which acid is used in explosives?
A) HCl
B) H₂SO₄
C) HNO₃
D) CH₃COOH
Answer: C

57. Which base is used in toothpaste?
A) NaCl
B) CaCO₃
C) HCl
D) CO₂
Answer: B

58. Which acid is used in pickling?
A) HCl
B) HNO₃
C) CH₃COOH
D) H₂SO₄
Answer: C

59. Which acid is weakest?
A) HCl
B) H₂SO₄
C) CH₃COOH
D) HNO₃
Answer: C

60. Which base is strongest?
A) NH₄OH
B) NaOH
C) Al(OH)₃
D) Mg(OH)₂
Answer: B