Question

the chemical mostly used in the preparation of most of the soaps

Answer 1

it sodium/potassium hydroxide.
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Answer 2

Heya!!Here is your answer friend ⤵⤵
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⏪NaOH or Sodium hydroxide is the most commonly used chemical in the preparation of soap . It a strong base .

⏪other things needed for the preparation are salt (NaCl) and oil.

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