Chemistry The metal ion present in Vitamin B12 is Nickel Zinc Iron Cobalt Nickel Zinc Iron Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Acetic acid Citric acid Oxalic acid Formic acid Acetic acid Citric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Potassium Permangante Alum Sodium carbonate Lime Potassium Permangante Alum Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
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