Chemistry Periodic table contains how many groups 17 16 18 19 17 16 18 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Rutherford Hund Thomson Sommerfeld Rutherford Hund Thomson Sommerfeld ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Remains the same Decreases Increases First increases and then decreases Remains the same Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Propylene Acetylene Aniline Ethylene Propylene Acetylene Aniline Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Lactic acid Palmitic acid Acetic acid Citric acid Lactic acid Palmitic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP