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प्रश्न
Soaps were originally made from ______.
विकल्प
proteins
animal fats and vegetable oils
chemicals extracted from the soil
foam booster
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उत्तर
Soaps were originally made from animal fats and vegetable oils.
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संबंधित प्रश्न
Differentiate between Toilet soap and Laundry soap.
Both soap and detergent are some type of salts. What is the difference between them?
Distinguish between esterfication and saponification reaction with the help of the chemical equations for each.
Which of the two is better for washing clothes when the water is hard: soap or detergent? Give reason for your answer.
In a soap micelle, the soap molecules are arranged radially with:
(a) ionic ends directed towards the centre and hydrocarbon ends directed outwards
(b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
(c) both ionic ends and hydrocarbon ends directed toward the centre
(d) both hydrocarbon ends and ionic ends directed outwards
What is a soap?
Explain the action of soap in removing an oily spot from a piece of cloth.
What is the difference between soaps and detergents? State, in brief, the cleansing action of soaps in removing an oily spot from a fabric. Why are soaps not very effective when a fabric is washed in hard water? How is this problem resolved?
What is meant by ‘surface activity’?
Why do soaps not work effectively in hard water?
