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Q. |
By-product obtained by soap industry is – |
A. | Caustic soda |
B. | Glycerol |
C. | Naphthalene |
D. | Caustic potash |
Answer» B. Glycerol | |
Explanation: Glycerol forms the backbone of triglyeerides, and is chiefly produced by saponification of fats as a byproduct of soap- making. It is also a byproduct of the production of biodiesel via transesterification. This form of crude glycerin is often dark in appearance with a thick, syrup-like consistency. |
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