Chemical Process Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement? Stearic acid Formic acid Calcium & aluminium stearate Xanthates Stearic acid Formic acid Calcium & aluminium stearate Xanthates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Polyvinyl chloride (PVC) is None of these A condensation polymerisation product Made by employing emulsion polymerisation A thermosetting material None of these A condensation polymerisation product Made by employing emulsion polymerisation A thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Blue vitriol is chemically Copper nitrate Copper sulphate Ferrous sulphate Aluminium sulphate Copper nitrate Copper sulphate Ferrous sulphate Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. It is a strong mono basic acid which reacts with almost all the metals except noble metals Arc process of nitric acid manufacture is economical as compared to Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) About 90% of nitric acid is manufactured by Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals Arc process of nitric acid manufacture is economical as compared to Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) About 90% of nitric acid is manufactured by Ostwald 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 Oxidation of Cl- ions Reduction of Cl- ions Oxidation of Na+ ions Reduction of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions Oxidation of Na+ ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following fuel gases contains maximum amount of carbon monoxide? L.D. converter gas Blast furnace gas Water gas Coke oven gas L.D. converter gas Blast furnace gas Water gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS