Chemistry Which one of the following elements is an example of noble gas ? Helium Nitrogen Chlorine Hydrogen Helium Nitrogen Chlorine Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Lead nitrate Potassium cyanide Zinc phosphide Zinc oxide Lead nitrate Potassium cyanide Zinc phosphide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Ozonolysis Oxidation Hydrolysis Hydrogenation Ozonolysis Oxidation Hydrolysis Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Chlorinated hydrocarbon Fluorinated aromatic compound Chlorofluoro hydrocarbon Fluorinated hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound Chlorofluoro hydrocarbon Fluorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo A battery Electric heaters Atomic bombs Dynamo A battery Electric heaters Atomic bombs ANSWER DOWNLOAD EXAMIANS APP