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  • Metals, Non-metals, Acids, and Alkalis
  • Which of these is an alkali?
Multiple choice

Which of these is an alkali?

  1. toothpaste

  2. hydrochloric acid

  3. sugar

  4. vinegar

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Toothpaste is slightly alkaline to help neutralize the acids produced by bacteria in the mouth.

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