Acid, Base and Salt Quiz

Acid Base and Salt Quiz — crack competitive exams with 25 carefully curated MCQs covering indicators, pH, strength of acids/bases, amphoteric oxides, common salts, water hardness, and daily-life applications. Read each question, mark your choice, and then check the detailed explanations to fix concepts instantly. Timer tip: aim for 20–25 seconds per question.

Which of the following indicators turns red in acidic medium?

Which of the following is an amphoteric oxide?

The pH of a neutral solution at 25°C is:

Which acid is present in vinegar?

Which salt is used in the manufacture of soap and glass?

Which of the following is a strong base?

Which salt is used in the preparation of plaster of Paris (POP)?

Baking soda (NaHCO₃) is used in antacids because:

Which acid is present in lemon?

The salt that causes permanent hardness of water is:

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