Chemical Process Main constituent of limestone is CaSO₄ MgCO₃ Na₂CO₃ CaCO₃ CaSO₄ MgCO₃ Na₂CO₃ CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at 5 atm & 275°C 1 atm & 100°C 50 atm & 1000°C 100 atm & 500°C 5 atm & 275°C 1 atm & 100°C 50 atm & 1000°C 100 atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalyst used in the hydrogenation of oil is Platinum Alumina Nickel Iron Platinum Alumina Nickel Iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Silicates Carbonates Sodium silicate Gypsum Silicates Carbonates Sodium silicate Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mineral is termed as 'ore', if It contains ≥ 40% metal A metal can be economically extracted from it All of these The metal present in it is costly It contains ≥ 40% metal A metal can be economically extracted from it All of these The metal present in it is costly ANSWER DOWNLOAD EXAMIANS APP