General Awareness
General Awareness – Chemistry 1-Bohr’s theory is valid for any atom or ion having one electron. Niels Henrik David Bohr 2-The sub states in … Read more
Chemistry
General Awareness -Chemistry
General Awareness -Chemistry 1- Chlorides and sulfates of calcium and magnesium give hardness to water. 2-Silver iodide chemical is used in the cloud seeding or the artificial rain. 3-Phosphorus is kept under water to save it from catching fire when exposed to dry air . 4-Phenol is a raw material used in the manufacture of … Read more