Which common household product can be used safely to whiten teeth?

Lemon Juice
Rock Salt
Baking Soda
Baking Powder

Correct answer:
Baking Soda
Which common household product can be used safely to whiten teeth?

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Article "Which common household product can be used safely to whiten teeth?", published 30.11.2017 06:45, It is categorized Lifestyle and has a 290 views.
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