a. To protect tooth decay we are advised to brush our teeth regularly. T
tooth paste commonly used is
i Acidic
(ii) Neutral
(iii) Basic (iv) Baking soda
b. Which of the following is acidic in nature?
(1) Lemon juice (l) Baking Soda (iii) Lime Water (iv) Antacid
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Answer:
a iv
b1.................
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