Chemistry Chemical formula of washing soda is Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a fertilizer? Ammonium sulphate Calcium sulphate Potassium nitrate Calcium ammonium nitrate Ammonium sulphate Calcium sulphate Potassium nitrate Calcium ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe3O4 FeCO3 Fe2O3 FeS2 Fe3O4 FeCO3 Fe2O3 FeS2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.18 0.305 0.25 0.27 0.18 0.305 0.25 0.27 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Transistors All of these Semiconductors Solar energy devices Transistors All of these Semiconductors Solar energy devices ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Dry ice or frozen carbon dioxide Silver Iodide All listed here Sodium Chloride Dry ice or frozen carbon dioxide Silver Iodide All listed here Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
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