Chemistry The most abundant element is Oxygen Nitrogen Calcium Silicon Oxygen Nitrogen Calcium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO SO2 Chlorogluorocarbons NO2 NO SO2 Chlorogluorocarbons NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacids are found in drugs that give relief to Acne Headache Eye sight Stomach ache Acne Headache Eye sight Stomach ache ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its high density presence of free electrons its high polishing its chemical inertness its high density presence of free electrons its high polishing its chemical inertness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Commuting by public transport Recycling waste materials All of these Using energy efficient appliances Commuting by public transport Recycling waste materials All of these Using energy efficient appliances ANSWER DOWNLOAD EXAMIANS APP