Page No. 694
Which of the following is a constituent of vinegar ?
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Dehydrogenation of Isopropanol produces ____________________?
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Phthalic anhydride is made by the ______________________?
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Absorption of SO3 in 97% H2SO4 is_______________?
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Washing soda is chemically represented by _________________?
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Free alkali in a toilet soap is _______________ that in a laundry shop ?
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Plaster of Paris is __________________?
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Blue vitriol is chemically___________________?
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Sulphuric acid is mainly used in the _______________ industry ?
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Which of the following is a detergent ?
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