Chemical Process Blue colour is imparted to glass by the addition of CaO FeSO₄ NaOH PbO CaO FeSO₄ NaOH PbO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Wet chlorine gas produced during electrolysis of brine is dehydrated by Passing it through a bed of diatomaceous earth Passing it through a bed of silica gel Spraying 66° Be H₂SO₄ counter current to the flow of the gas None of these Passing it through a bed of diatomaceous earth Passing it through a bed of silica gel Spraying 66° Be H₂SO₄ counter current to the flow of the gas None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? Reduction of Na+ ions Reduction of Cl- ions Oxidation of Cl- ions Oxidation of Na+ ions Reduction of Na+ ions Reduction of Cl- ions Oxidation of Cl- ions Oxidation of Na+ ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most suitable dye for synthetic fibres? Mordant dye Pigment dye Azoic dye Acid dye Mordant dye Pigment dye Azoic dye Acid dye ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils Always contain some amount of nickel (as their complete removal is very difficult) Cause cholesterol build up and blood clotting Are prone to rancid oxidation Have affinity to retain harmful sulphur compounds Always contain some amount of nickel (as their complete removal is very difficult) Cause cholesterol build up and blood clotting Are prone to rancid oxidation Have affinity to retain harmful sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement. Iodine value of an oil or fat is Independent of the type of oil, whether it is drying or non-drying A measure of its unsaturation Helpful in findings its adulteration & its suitability for making soap 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 A measure of its unsaturation Helpful in findings its adulteration & its suitability for making soap The number of grams of iodine taken up by 100 gm of oil or fat ANSWER DOWNLOAD EXAMIANS APP
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