Chemistry The main constituent of biogas is Methane Methyl alcohol Oxygen Acetic acid Methane Methyl alcohol Oxygen Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is boiling distillation adding caustic soda adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate 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 Green house effect Smog Eutrophication None of these Green house effect Smog Eutrophication None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Silicon Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon Tantalum Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Depends on whether the reaction is exothermic or endothermic Zero Negative Positive Depends on whether the reaction is exothermic or endothermic Zero Negative Positive ANSWER DOWNLOAD EXAMIANS APP
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