Which of the following properties is true for a tooth paste?
A
It is acidic.
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B
It is neutral.
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C
It is basic.
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D
It is made up of calcium phosphate, the material of tooth enamel.
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Solution
The correct option is D It is made up of calcium phosphate, the material of tooth enamel. Toothpaste is made up of water and abrasive. Baking soda, calcium carbonate, calcium phosphates, silica are certain abrasives used in making of toothpaste. Tooth enamel is made up of calcium phosphate.
Thus, the correct answer is 'It is made up of Calcium phosphate, the material of tooth enamel.'