Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 0.14 0.34 0.94 1.4 0.14 0.34 0.94 1.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the main reducing agent during production of iron from iron ore in a blast furnace? CO₂ CO C H₂ CO₂ CO C H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electric bulbs are made of __________ glass. Jena Crookes Flint Pyrex Jena Crookes Flint Pyrex ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Nickel Vanadium Alumina Iron Nickel Vanadium Alumina Iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Blue colour is imparted to glass by the addition of CaO NaOH PbO FeSO₄ CaO NaOH PbO FeSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Glycerine is a by-product of the __________ industry. Soap Paint Detergent Oil hydrogenation Soap Paint Detergent Oil hydrogenation ANSWER DOWNLOAD EXAMIANS APP