Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Iron Zinc Copper Aluminium Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methylene blue Phenolphthaline Methyl red Methyl orange Methylene blue Phenolphthaline Methyl red Methyl orange ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Ozone and carbon dioxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Ozone and carbon dioxide Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium oxalate Sodium oxalate Sodium chloride Calcium acetate Calcium oxalate Sodium oxalate Sodium chloride Calcium acetate 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
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