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प्रश्न
Soaps were originally made from ______.
पर्याय
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Soaps were originally made from animal fats and vegetable oils.
APPEARS IN
संबंधित प्रश्न
State one use of esterfication process.
Why is common salt (sodium chloride) added during the preparation of soap?
The chemical which is not required for the preparation of soap in the laboratory is:
(a) vegetable oil
(b) baking soda
(c) caustic soda
(d) common salt
A student takes 4 mL of distilled water in each of four test tubes I, II, III and IV, and then dissolves an equal amount of four different salts namely NaCl in I, CaCl2 in II, MgCl2 in III and KCl in IV. He then adds 8 drops of the given soap solution to each test tube and shakes the contents of the test tube 10 times. In which test tubes will enough lather (foam) be formed ?
(A) I and II
(B) II and III
(C) I and IV
(D) III and IV
What are detergents chemically? List two merits and two demerits of using detergents for cleansing. State the reason for the suitability of detergents for washing, event in the case of water having calcium and magnesium ions.
Explain why synthetic detergents are superior to soap.
We are using ______ to remove strong stains on the clothes.
______ molecules go and join with dirt and oil in the cloth.
- Write the formula and draw electron dot structure of carbon tetrachloride.
- What is saponification? Write the reaction involved in this process.
What are the similarities between Soap and synthetic detergent.
