Chemistry Highest percentage of carbon is found in which form of coal? Anthracite Lignite Peat Bituminous Anthracite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Cancer Bronchitis Corrosion Asphyxiation Cancer Bronchitis Corrosion Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Natural Gas Firewood Petroleum Coal Natural Gas Firewood Petroleum Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Isobutane and propane Methane and carbon monoxide Carbon dioxide and oxygen Methane and carbon dioxide Isobutane and propane Methane and carbon monoxide Carbon dioxide and oxygen Methane and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS