Question

a substance which can be used as an antacid is​

Answer 1

Answer:

Antacid, also spelled antiacid, any substance, such as sodium bicarbonate, magnesium hydroxide, calcium carbonate, or aluminum hydroxide, used to counteract or neutralize gastric acids and relieve the discomfort caused by gastric acidity. Indigestion, gastritis, and several forms of ulcers are alleviated by the use of antacids.

Answer 2

Answer:

in last there is written gastric acidity...

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