Chemistry The most electronegative element among the following is oxygen bromine fluorine sodium oxygen bromine fluorine sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Magnesium sulphate Sodium chloride Potassium chloride Calcium carbonate Magnesium sulphate Sodium chloride Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Tin Zinc Nickel Copper Tin Zinc Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Sommerfeld Rutherford Hund Thomson Sommerfeld Rutherford Hund Thomson ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Gas Carbon Iron Copper Sulphate None of these Gas Carbon Iron Copper Sulphate None of these ANSWER DOWNLOAD EXAMIANS APP