General Science - Physics (Basics)
Which chemical is commonly used in toothpaste to prevent tooth decay?
Which chemical is commonly used in toothpaste to prevent tooth decay?
easy Q3 of 15
Step-by-Step Solution
Step 1: Understand the role of toothpaste chemicals
Toothpaste contains chemicals that help prevent tooth decay and strengthen enamel.Step 2: Identify common active ingredient
Fluoride compounds are added to toothpaste to prevent dental caries by strengthening tooth enamel. Calcium carbonate is an abrasive, sodium chloride is common salt, and potassium permanganate is an antiseptic but not commonly used in toothpaste.Final Answer:
Fluoride compounds → Option BQuick Check:
Toothpaste ingredient preventing decay = Fluoride compounds ✅
Quick Trick: Fluoride strengthens teeth and prevents cavities.
Common Mistakes:
- Confusing abrasives or antiseptics with fluoride.
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