Multiple choice

Absorbency of talcum powder can be increased by adding

  1. magnesium carbonate

  2. boric acid

  3. magnesium and zinc stearates

  4. titanium dioxide, zinc oxide and magnesium dioxide

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It is about five times more powerful than talc in absorbing water. Hence it is often used to enhance absorbency and lightness of powders.