Chemical Process __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. Phosphates Chromates Bi-carbonates Sulphates Phosphates Chromates Bi-carbonates Sulphates 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. 800 8500 4000 1600 800 8500 4000 1600 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 The number of grams of iodine taken up by 100 gm of oil or fat Helpful in findings its adulteration & its suitability for making soap Independent of the type of oil, whether it is drying or non-drying A measure of its unsaturation The number of grams of iodine taken up by 100 gm of oil or fat Helpful in findings its adulteration & its suitability for making soap ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Calcium oxide Calcium carbonate Tricalcium silicate Calcium sulphate Calcium oxide Calcium carbonate Tricalcium silicate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Iron ore hametite is concentrated using Roasting Froth floatation Electro magnetic separation mainly Gravity separation Roasting Froth floatation Electro magnetic separation mainly Gravity separation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nicotine is Both A and B Neither A nor B A volatile alkaloid Obtained by treating by-products of the tobacco processing industry Both A and B Neither A nor B A volatile alkaloid Obtained by treating by-products of the tobacco processing industry ANSWER DOWNLOAD EXAMIANS APP