Q. 1 B4.4( 7 Votes )
The chief sources A. petroleum products
B. coal and coke
C. animals and plants
D. Detergent
Answer :
The chief sources of oils used to make soap are animals and plants.
On small scale oil, sodium hydroxide and common salt are used to make soap. Oil and sodium hydroxide is heated in the kettle then soap and glycerine are formed, Salt is added to separate soap from glycerin.
Oil/fat + sodium hydroxide → soap + glycerin
Detergents are made using petroleum products.
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