Chemistry The most common cause of pollution of air is Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called None of these Smog Green house effect Eutrophication None of these Smog Green house effect Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Depletion of ozone layer causes Lung cancer Skin cancer Blood cancer Breast cancer Lung cancer Skin cancer Blood cancer Breast cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Iron Copper Zinc Aluminium Iron Copper Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Oxygen Nitrogen Carbon monoxide Carbon dioxide Oxygen Nitrogen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Antimony Zinc Lead Chromium Antimony Zinc Lead Chromium ANSWER DOWNLOAD EXAMIANS APP