Chemistry Ozone depletion in the stratosphere is mainly caused by Chlorogluorocarbons SO2 NO2 NO Chlorogluorocarbons SO2 NO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Residual chlorine Free available chlorine Combined available chlorine Free chlorine Residual chlorine Free available chlorine Combined available chlorine Free chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Methyl alcohol Acetylene Methane Ethyl formate Methyl alcohol Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Oxidation Hydrogenation Hydrolysis Ozonolysis Oxidation Hydrogenation Hydrolysis Ozonolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Antimony Chromium Zinc Lead Antimony Chromium Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
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