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  1. Antacid tablets consist of
    1. Hydroxides of sodium, magnesium and aluminium
    2. Hydroxides of magnesium and aluminium
    3. Hydroxides of sodium and aluminium
    4. Hydroxides of magnesium and sodium
Correct Option: B

An antacid is a base which neutralizes stomach acidity. The most common of these bases are hydroxides, carbonates, or bicarbonates such as Aluminum hydroxide, Calcium carbonate, Magnesium carbonate, Magnesium hydroxide, and Sodium bicarbonate.



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