______________ process is used for the manufacture of sodium carbonate by ammonia soda process?

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Which of the following processes can remove both temporary as well as permanent hardness of water ?

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Presence of H2S in raw water (to be chlorinated) results in the_____________________?

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Molasses is the starting material for the production of ___________________ ?

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Adipic acid is an intermediate in the manufacture of________________?

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Sulphuric acid is mainly used in the _______________ industry ?

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