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Subjects
Science CBSE
Class 10
Acid, bases and salts
Acids, Bases and Salts

40. Analyse the question and choose the correct answer

Exercise condition:

4 m.

1. Which of the following products contains lactic acid?

Curd
Lemon
Vinegar
Grapes
None of these

2. In nature, the toothpaste we use is a base. What is the reason for this?

It neutralizes the acids in the mouth.
It increases acid content in the mouth.
Bases protect the inner layers of teeth.
Bases are non-reactive with the skin.
None of these

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