Chemistry The third shell of an atom can have a maximum of ______ electrons 18 15 21 13 18 15 21 13 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is NH3 SO2 H2 S NO2 NH3 SO2 H2 S NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine value is used to estimate Alkali content in oil Unsaturation in oil Carboxylic groups in oil Hydroxyl groups in oil Alkali content in oil Unsaturation in oil Carboxylic groups in oil Hydroxyl groups in oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b C and d B and c A and c A and b C and d B and c A and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Steel Pig iron Wrought iron Stainless steel Steel Pig iron Wrought iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
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