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RRB Assistant Loco Pilot and Technician Model Paper 17 with key
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Question : 32
Total: 75
Soaps are manufactured by:
Reaction of alkalies with glyerol
Reaction of fats with soluble hydroxides
Reaction of calcium and magnesium ions with dilute sulphuric acid
Reaction of dodecyle benzene with
H
2
S
O
4
and then NaOH
Validate
Solution:
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