Chemical Process Main constituent of limestone is CaCO₃ CaSO₄ Na₂CO₃ MgCO₃ CaCO₃ CaSO₄ Na₂CO₃ 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 Silicates Sodium silicate Carbonates Gypsum Silicates Sodium silicate Carbonates 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 A metal can be economically extracted from it All of these It contains ≥ 40% metal The metal present in it is costly A metal can be economically extracted from it All of these ANSWER DOWNLOAD EXAMIANS APP
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