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Question

What makes your toothpaste white?

A
Titanium dioxide
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B
White powder
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C
Talcum powder
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D
All of these
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E
None of these
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Solution

The correct option is B Titanium dioxide
Titanium dioxide (TiO2) is commonly applied to enhance the white color and brightness of food products. TiO2 is also used as a white pigment in other products such as toothpaste. A small fraction of the pigment is known to be present as nanoparticles.

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