Chemical Process Reaction of calcium carbide with water produces a gas, which is used Neither A nor B As an illuminant For metal cutting/welding Both A & B Neither A nor B As an illuminant For metal cutting/welding Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the endothermic reaction out of the following. C+1/2O₂ = CO CO +1/2O₂ = CO₂ CaCO₃ = CaO + CO₂ CO + 3H₂ = CH₄ + H₂O C+1/2O₂ = CO CO +1/2O₂ = CO₂ CaCO₃ = CaO + CO₂ CO + 3H₂ = CH₄ + H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process? CaO Coke NH? NaCl CaO Coke NH? NaCl ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bisphenol A is produced by the condensation of acetone with Ethyl alcohol Phenol Formaldehyde Diethyl ether Ethyl alcohol Phenol Formaldehyde Diethyl ether ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. About 90% of nitric acid is manufactured by Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) Arc process of nitric acid manufacture is economical as compared to Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals About 90% of nitric acid is manufactured by Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) Arc process of nitric acid manufacture is economical as compared to Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT is Alumina 20% oleum Silica Aluminium chloride Alumina 20% oleum Silica Aluminium chloride ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS