Chemistry The main constituent of biogas is Acetic acid Methane Oxygen Methyl alcohol Acetic acid Methane Oxygen Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Thallium Silicon Tin Caesium Thallium Silicon Tin Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten iron Molten sand Molten alumina Molten calcium silicate Molten iron Molten sand Molten alumina Molten calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Hydrogen Carbon dioxide Chlorofluorocarbon Nitric oxide Hydrogen Carbon dioxide Chlorofluorocarbon Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Hydrocarbon Smoke Oxides of sulphur Oxides of nitrogen Hydrocarbon Smoke Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
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