Chemistry Which of the following is used to make light weight, but strong plastic ? Nylon Polyvinyl Chloride Polythene Methyl Methacrylate Nylon Polyvinyl Chloride Polythene Methyl Methacrylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over India Europe Africa Antarctica India Europe Africa Antarctica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Nitrogen Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Carbon dioxide Ethane Chloro fluoro carbon Sulphur dioxide Carbon dioxide Ethane Chloro fluoro carbon Sulphur dioxide 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 C and d A and b A and c B and c C and d A and b A and c B and c ANSWER DOWNLOAD EXAMIANS APP