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Question
Fill in the following blank with suitable word:
The sodium salt of a long chain fatty acid is called .............
Solution
The process of burning of a hydrocarbon in the presence of air to give CO2, H2O, heat and light is known as combustion.
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RELATED QUESTIONS
A student took four test tubes P, Q, R and S and filled about 8 mL of distilled water in each. After that he dissolved an equal amount of Na2SO4 in P, K2SO4 in Q, CaSO4 in R and MgSO4 in S. On adding an equal amount of soap solution and shaking each test tube well, a good amount of lather will be obtained in the test tubes:
(a) P and Q
(b) P and R
(c) P, Q and S
(d) Q, R and S
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(b) Potassium hydroxide
(c) Sodium hydroxide
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______ to remove strong strains on the clothes.
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