Hamad Chemical Process 31/12/2021 A. Detergent B. Vanaspati C. Soap D. Mercaptans Related Mcqs: Soap cannot be used with hard water, because _________________?A. Hard water contains sulphate B. They form insoluble calcium soaps which precipitate C. They attract back the removed dirt D. None of these... Sea water contains about ______________________ ppm of bromine ?A. 5 B. 70 C. 500 D. 1700... Yellow glycerine is made into white, using____________________?A. Activated carbon B. Diatomaceous earth C. Bauxite D. Bentonite... Which of the following is not produced commercially from sea water ?A. Magnesium & potassium compounds B. Common salt C. Bromine D. Iodine... Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about ______________ °C ?A. -83 B. -183 C. -196 D. -218...
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