Chemistry The chief constituent of natural gas is: Helium Nitrogen Propane Methane Helium Nitrogen Propane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by CO2and CFCs SO2 and NO2 NO2and particulates SO2 and particulates CO2and CFCs SO2 and NO2 NO2and particulates SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Graphite Bauxite Sulphur Phosphorus Graphite Bauxite Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Oxalic acid Acetic acid Tartaric acid Malic acid Oxalic acid Acetic acid Tartaric acid Malic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Acceleration Vulcanization Galvanization Sulphonation Acceleration Vulcanization Galvanization Sulphonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Zinc Phosphate Arsenic Detergent Zinc Phosphate Arsenic Detergent ANSWER DOWNLOAD EXAMIANS APP
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