Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 88 50 138 314 88 50 138 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of FeCO3 Fe3OH4 Fe2O3 3Fe2O3 .. 3H2O FeCO3 Fe3OH4 Fe2O3 3Fe2O3 .. 3H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Hydrocarbon Oxides of nitrogen Oxides of sulphur Smoke Hydrocarbon Oxides of nitrogen Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decane and decanol Decanone and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decane and decanol Decanone and decanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be same Must be different Must be same Need not be different Need not be same Must be different Must be same Need not be different ANSWER DOWNLOAD EXAMIANS APP
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