Chemistry Solder is an alloy of Sodium, lead Lead, zinc Copper, lead Tin, lead Sodium, lead Lead, zinc Copper, lead Tin, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Petrol H2O2 Oxalic acid Alcohol Petrol H2O2 Oxalic acid Alcohol 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 Milk tastes sour when kept in the open for sometime due to the formation of Carbonic acid Acetic acid Citric acid Lactic acid Carbonic acid Acetic acid Citric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Gaseous formaldehyde Formaldehyde in methanol Formaldehyde in water Ethylene glycol Gaseous formaldehyde Formaldehyde in methanol Formaldehyde in water Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
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