Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 36 17 19 53 36 17 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Thomson Hund Sommerfeld Rutherford Thomson Hund Sommerfeld Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane helium ozone oxygen methane helium ozone oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Lead Zinc Bromine Argon Lead Zinc Bromine Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Intermittent sand filter Contact bed Percolating filter Trickling filter Intermittent sand filter Contact bed Percolating filter Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Readily miscible with oxygen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen ANSWER DOWNLOAD EXAMIANS APP