Question

Account for the following:
Dry HCl gas does not change the colour of dry litmus paper.
2. Antacid tablets are used by a person suffering from stomach pain.
3. Toothpaste is used for cleaning teeth.​

Answer 1

Answer:

1. because dry hcl gas doesn't have h3o+ ions which are responsible for acidic nature
2. because antacids are basic in nature and they neutralize the effect of acid present in our stomach
3. because toothpastes are basic in nature

Answer 2

Answer:

Explanation:

because dry hcl gas doesn't have h3o+ ions which are responsible for acidic nature

because antacids are basic in nature and they neutralize the effect of acid present in our stomach

because toothpastes are basic in nature

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