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What is the p...

Question

What is the principal ingredient of toothpaste?

A

Sodium carbonate

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B

Sodium bicarbonate

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C

Calcium carbonate

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D

Calcium hydroxide

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Solution

The correct option is C Calcium carbonate

The principal ingredients of a toothpaste, calcium carbonate and calcium hydrogen phosphate, remove the dirt on teeth. These ingredients also polish the teeth.

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What are the principal ingredients of toothpaste?

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