Chemistry Oxygen has (+) oxidation number only in H2O (2) N2O C12O OF2 H2O (2) N2O C12O OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Dalton Avogadro Pascal Newton Dalton Avogadro Pascal Newton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ni Ti Pb Fe Ni Ti Pb Fe ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is K Na Ca Mg K Na Ca Mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas ANSWER DOWNLOAD EXAMIANS APP
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