Chemistry Which of the following is a commercial source of energy? Dried dung Agricultural waste Sun Natural gas Dried dung Agricultural waste Sun Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Peroxyacetyl nitrate Nitric oxide Sulphur dioxide Carbon dioxide Peroxyacetyl nitrate Nitric oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Nitrous oxide Carbon dioxide Carbon monoxide Sulphur dioxide Nitrous oxide Carbon dioxide Carbon monoxide 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 Eutrophication Green house effect None of these Smog Eutrophication Green house effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2SO4.10H2O Ca(OH)2 NaHCO3 Na2CO3.10H2O Na2SO4.10H2O Ca(OH)2 NaHCO3 Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Manganese Bauxite Iron Copper Manganese Bauxite Iron Copper ANSWER DOWNLOAD EXAMIANS APP