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Which raw material mentioned below is not required in lime soda process?

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Which raw material mentioned below is not required in lime soda process?

(a) Quicklime

(b) Light soda ash

(c) Alum

(d) Oil

I have been asked this question during an online exam.

Origin of the question is Inorganic Chemical topic in portion Inorganic Chemical Industries of Chemical Technology

1 Answer

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Best answer
The correct option is (d) Oil

To elaborate: The three principal chemicals required for the lime-soda process are quicklime or hydrated lime, light soda ash contain (98% Na2CO3) and alum[Al2(SO4).xH2O]. Small amount of activated carbon also required.

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