Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Sulphates Carbonates Phosphates Bicarbonates Sulphates Carbonates Phosphates Bicarbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about 0.1 to 0.5 15 to 25 1 to 5 5 to 10 0.1 to 0.5 15 to 25 1 to 5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon None of these Cannot be made from sulphite pulp Cannot yield textile grade fibre Utilises H₂SO₄, NaOH and CS₂ during its manufacture None of these Cannot be made from sulphite pulp Cannot yield textile grade fibre Utilises H₂SO₄, NaOH and CS₂ during its manufacture ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The noble gas which occurs most abundantly in the atmosphere is Neon Argon Krypton Helium Neon Argon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of glycerene present in the spent lye obtained during soap manufacture is about 5 20 35 0.5 5 20 35 0.5 ANSWER DOWNLOAD EXAMIANS APP