A pouch of a chemical powder is placed in some bottles of medicines. What is this chemical? Why is it placed there?
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"A pouch of a chemical powder is placed in some bottles of medicines i.e., silica gel.
Small silica gel packets are found in different kinds of products, as silica gel is a type of desiccant which holds and absorbs water vapour.
If it is placed in medicine bottle then it resist the absorption of moisture, because moisture would spoil the pills. The small silica gel packets are found in anything that is affected by excess humidity or condensation.
Silica gel is almost harmless and can therefore be found in food products. Silicone dioxide or Silica is the same quartz material. The gel form comprises many small pores that can absorb and maintain humidity."
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