Chemistry Combustion of a candle is a/an Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Butane Methane Propane Ethane Butane Methane Propane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Nitric oxide Carbon dioxide Chlorofluorocarbon Hydrogen Nitric oxide Carbon dioxide Chlorofluorocarbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Glucose Uric acid Lactic acid Urea Glucose Uric acid Lactic acid Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Smoke Aerosols Fumes Mists Smoke Aerosols Fumes 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 Smog Eutrophication Green house effect None of these Smog Eutrophication Green house effect None of these ANSWER DOWNLOAD EXAMIANS APP
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