Chemical Process Hydrazine is used in water treatment for the removal of Chlorinous taste Colloidal impurities Turbidity Dissolved oxygen Chlorinous taste Colloidal impurities Turbidity Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermosetting plastic materials Is useful for spinning Can not be melted after forming Can be repeatedly melted Is useful for melt casting Is useful for spinning Can not be melted after forming Can be repeatedly melted Is useful for melt casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 78%H₂SO₄ 98%H₂SO₄ 20% oleum 65% oleum 78%H₂SO₄ 98%H₂SO₄ 20% oleum 65% oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Ni Cr Al₂O₃ V₂O₅ Ni Cr Al₂O₃ V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not produced commercially from sea water? Bromine Iodine Magnesium & potassium compounds Common salt Bromine Iodine Magnesium & potassium compounds Common salt ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 8500 1600 800 4000 8500 1600 800 4000 ANSWER DOWNLOAD EXAMIANS APP
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