Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Butane Ethanol Hydrogen Methane Butane Ethanol Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Fractional distillation Electrolysis Oxidation Reduction Fractional distillation Electrolysis Oxidation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of N2 CH4 H2 CO2 N2 CH4 H2 CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon dioxide Methane Ozone gas Carbon Monoxide Carbon dioxide Methane Ozone gas Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) ANSWER DOWNLOAD EXAMIANS APP
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