Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon monoxide Methane and carbon dioxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon monoxide Methane and carbon dioxide Isobutane and propane Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Reduction Corrosion Sublimation Galvanisation Reduction Corrosion Sublimation Galvanisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Citric acid Carbonic acid Lactic acid Acetic acid Citric acid Carbonic acid Lactic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? Chlorofluorocarbons CO2 CH4 N2O Chlorofluorocarbons CO2 CH4 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Boric acid Salicylic acid Phosphorus acid Phosphoric acid Boric acid Salicylic acid Phosphorus acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
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