10th Class Science Solved Paper - Science-2017 Delhi Set-I

  • question_answer
    For demonstrating the preparation of soap in the laboratory which of the following combination of an oil and a base would be most suitable?
    (a) Mustard oil and calcium hydroxide
    (b) Castor oil and calcium hydroxide
    (c) Turpentine oil and sodium hydroxide
    (d) Mustard oil and sodium hydroxide.


    (c) Turpentine oil and sodium hydroxide.

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