Chemical Process Use of chlorine in the treatment of sewage Helps in grease separation Causes bulking of activated sludge Aids in flocculation Increases the biological oxygen demand(BOD) Helps in grease separation Causes bulking of activated sludge Aids in flocculation Increases the biological oxygen demand(BOD) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dacron (or terylene) fibres as compared to nylon's fibres have Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability All of these Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following has sodium bicarbonate as its main constituent ? Baking powder Washing soda None of these Baking soda Baking powder Washing soda None of these Baking soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement. Iodine value of an oil or fat is The number of grams of iodine taken up by 100 gm of oil or fat Independent of the type of oil, whether it is drying or non-drying Helpful in findings its adulteration & its suitability for making soap A measure of its unsaturation The number of grams of iodine taken up by 100 gm of oil or fat Independent of the type of oil, whether it is drying or non-drying Helpful in findings its adulteration & its suitability for making soap A measure of its unsaturation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an organo-metal-lic compound? Isopropyl alcohol Tetra-ethyl lead Cumene Zeolite Isopropyl alcohol Tetra-ethyl lead Cumene Zeolite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Calcium oxide Calcium sulphate Calcium carbonate Tricalcium silicate Calcium oxide Calcium sulphate Calcium carbonate Tricalcium silicate ANSWER DOWNLOAD EXAMIANS APP
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