Which of the following compounds are administered as antacids?
A
Sodium carbonate
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B
Sodium hydrogen carbonate
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C
Aluminium carbonate
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D
Magnesium hydroxide
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Solution
The correct options are B Sodium hydrogen carbonate C Magnesium hydroxide
Antacids are agents that neutralize the gastric acid and raise the gastric pH, so are used to treat dyspepsia and are used as symptomatic relief of peptic ulcer. Antacids in common use salts of magnesium, aluminium and calcium, which are basic, but not enough to be caustic in the body. A and C are a little more basic, so only B and D are used generally.