Chemistry Which one out of the following helps in burning ? Carbon monoxide Carbon dioxide Oxygen Nitrogen Carbon monoxide Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Ester Protein Hydrocarbon Carbohydrate Ester Protein Hydrocarbon Carbohydrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 B and c A and c C and d A and b B and c A and c C and d A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Calcium chloride Sodium chloride Ammonium chloride Sodium nitrate Calcium chloride Sodium chloride Ammonium chloride Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Filteration Electrophoresis Precipitation Sedimentation Filteration Electrophoresis Precipitation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Iron Silver Copper Gold Iron Silver Copper Gold ANSWER DOWNLOAD EXAMIANS APP