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