Chemistry Which one of the following is a greenhouse gas ? Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Electrolysis Oxidation Reduction Fractional distillation Electrolysis Oxidation Reduction Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? CFC emission Deforstation Carbondioxide emission Methane emission CFC emission Deforstation Carbondioxide emission Methane emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Helium Argon Neon Nitrogen Helium Argon Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacid tablets consist of Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Nitrogen Ozone Carbondioxide Oxygen Nitrogen Ozone Carbondioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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