Chemistry Which of the following is a commercial source of energy? Natural gas Dried dung Sun Agricultural waste Natural gas Dried dung Sun Agricultural waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by All of these Rapid industrialization Increased transportation activity Deforestation All of these Rapid industrialization Increased transportation activity Deforestation ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is absorbed by plants It is the lightest gas It is highly inflammable It immediately combines with oxygen to form water It is absorbed by plants It is the lightest gas It is highly inflammable ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon dioxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon monoxide Methane and carbon dioxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is O2 CH4 Ar Ar N2 N2 O2 CH4 Ar Ar N2 N2 ANSWER DOWNLOAD EXAMIANS APP