Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 17 36 53 19 17 36 53 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain Corrosion building materials All of these Respiratory and lung disease Reduction in plant's productivity owing to acid rain Corrosion building materials All of these Respiratory and lung disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 19 18 17 16 19 18 17 16 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Phosphorus Sulphur Ozone Carbon Phosphorus Sulphur Ozone Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Hydrofluosilicic Acid Fluorspar and Felspar Calcium Tetra Fluoride Difluoro Dichloro Methane Hydrofluosilicic Acid Fluorspar and Felspar Calcium Tetra Fluoride Difluoro Dichloro Methane ANSWER DOWNLOAD EXAMIANS APP