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Which of the following substances serves as the base of talcum powder?

1. Zinc stearate
2. Sodium aluminium silicate
3. Magnesium hydrosilicate
4. Chalk

Correct answer: Magnesium hydrosilicate

Solution

Magnesium hydrosilicate is the primary component of talcum powder, providing its soft texture and absorbent properties, making it suitable for personal care products.

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