Question

Stomach acid has a pH of about 2.

Which describes the pH of an antacid that is used to neutralize stomach acid?


The antacid must be basic, so its pH is greater than 7.

The antacid must be acidic, so its pH is less than 7.

The antacid must be neutral, so its pH is 7.

Answer 1

The antacid must be acidic, so its pH is less than 7.

Step-by-step explanation:

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Answer 2

The antacid must be basic, so its pH is greater than 7.

Step-by-step explanation:

To neutralize an acid, you need a base. The pH of a base is greater than 7.