Question

Tooth decay is caused by the presence of a base.
Topic: Acids, Bases and Salts Acids, Bases and Salts

Answer 1

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Tooth decay is not caused by base.
It is caused by the presence of acidic substances which are formed due to bacteria.
They constantly damage tooth enamel and thus cause tooth decay.

Hope it helps you.

#Platz ✌️

Answer 2

Dear Student,

◆ Given statement -

Tooth decay is caused by the presence of a base.

● Answer -

False

◆ Corrected statement -

Tooth decay is caused by the presence of an acid.

● Explaination -

• When saliva accumulates in the mouth, it decreases the pH in oral cavity making it acidic.
• Acidic conditions are suitable for growth of bacteria and cause tooth decay.
• To neutralize this excess acids, teeth should be regularly brushed with toothpaste having basic content.

Thanks dear. Hope this helps you..