Chemistry The most abundant element in the earth’s atmosphere is Krypton Oxygen Argon Nitrogen Krypton Oxygen Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Xenon Radon Neon Argon Xenon Radon Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Peroxide Sodium Carbonate Sodium Hydroxide Sodium Monoxide Sodium Peroxide Sodium Carbonate Sodium Hydroxide Sodium Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Hydrogen Ethanol Butane Methane Hydrogen Ethanol Butane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Dolomite Copper Lignite Bauxite Dolomite Copper Lignite Bauxite ANSWER DOWNLOAD EXAMIANS APP
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