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What is a petroleum by-product that has excellent sealing properties to hold moisture in the skin? a) Talcum powder b) Lanolin c) Astringent d) Petroleum jelly

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Answer: D) Petroleum Jelly

Explanation: Petroleum jelly is also known as white soft paraffin or Vaseline. It's a semi-solid mixture of hydrocarbons that can be used as a lubricant and protective ointment for dry or chapped skin. It can also be used to protect against minor cuts and burns.

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User ISandeep
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