|For preparing soap in the laboratory we require an oil and a base. Which of the following combinations of an oil and a base would be best suited for the preparation of soap?|
|(a) Castor oil and calcium hydroxide|
|(b) Turpentine oil and sodium hydroxide|
|(c) Castor oil and sodium hydroxide|
|(d) Mustard oil and calcium hydroxide|
(c) Castor oil and sodium hydroxide
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