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Chemistry in Everyday Life — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryChemistry in Everyday Life1 Mark
MCQ
What is an antacid?
  • ✓
    The substance which neutralizes the acid and raises the $pH$ to an appropriate level in stomach.
  • B
    The substance which neutralizes the acid and lowers the $pH$ to an appropriate level in stomach.
  • C
    The substance which neutralizes the base and raises the $pH$ to an appropriate level in stomach.
  • D
    None of these
✓

Answer

Correct option: A.
The substance which neutralizes the acid and raises the $pH$ to an appropriate level in stomach.
An antacid is the substance which neutralizes the acid and raises the $pH$ to an appropriate level in stomach. In other words, antacid is a base which neutralizes excess of acid in the stomach.
Examples of antacid include sodium bicarbonate, magnesium hydroxide and aluminium hydroxide. They control the symptoms and not the cause.

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