Question:
Which of the following is used as an antacid?
Which of the following is used as an antacid?
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Common antacids include magnesium hydroxide, aluminum hydroxide, and sodium bicarbonate.
Updated On: Oct 14, 2025
- Magnesium hydroxide
- Phinacetin
- Penicillin
- Sulphanilamide
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The Correct Option is A
Solution and Explanation
Step 1: Define antacids.
Antacids are substances that neutralize excess stomach acid (HCl).
Step 2: Analyze options.
- Magnesium hydroxide: a weak base used as an antacid.
- Phinacetin: analgesic drug (pain reliever), not an antacid.
- Penicillin: antibiotic.
- Sulphanilamide: antibacterial drug (sulfa drug).
Step 3: Conclusion.
Thus, the correct answer is Magnesium hydroxide.
Antacids are substances that neutralize excess stomach acid (HCl).
Step 2: Analyze options.
- Magnesium hydroxide: a weak base used as an antacid.
- Phinacetin: analgesic drug (pain reliever), not an antacid.
- Penicillin: antibiotic.
- Sulphanilamide: antibacterial drug (sulfa drug).
Step 3: Conclusion.
Thus, the correct answer is Magnesium hydroxide.
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