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Question
Soaps were originally made from ______.
Options
proteins
animal fats and vegetable oils
chemicals extracted from the soil
foam booster
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Solution
Soaps were originally made from animal fats and vegetable oils.
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RELATED QUESTIONS
A student requires hard water for an experiment in his laboratory which is not available in the neighbouring area. In the laboratory there are some salts, which when dissolved in distilled water can convert it into hard water. Select from the following groups of salts, a group, each salt of which when dissolved in distilled water will make it hard.
(A) Sodium chloride, Potassium chloride
(B) Sodium sulphate, Potassium sulphate
(C) Sodium sulphate, Calcium sulphate
(D) Calcium sulphate, Calcium chloride
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