Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Nickel Zinc Lead Chromium Nickel Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCO3 CaCl2 MgCl2 MgCO3 CaCO3 CaCl2 MgCl2 MgCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium sulphate Urea Ammonium nitrate Nitro-lime Ammonium sulphate Urea Ammonium nitrate Nitro-lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 8 5 13 3 8 5 13 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with None of these Hydrogen Carbon Oxygen None of these Hydrogen Carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Troposphere Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP