Chemistry How many neutrons are there in 92U238 atom ? 238 330 92 146 238 330 92 146 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 88 50 314 138 88 50 314 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Sommerfeld Rutherford Thomson Hund Sommerfeld Rutherford Thomson Hund ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Sulphur dioxide Nitrous oxide Ammonia Arsine Sulphur dioxide Nitrous oxide Ammonia Arsine ANSWER DOWNLOAD EXAMIANS APP