Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 19 36 17 53 19 36 17 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Methyl isocyanate Carbon monoxide Chlorine Phosgene Methyl isocyanate Carbon monoxide Chlorine Phosgene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Krypton Argon Helium Neon Krypton Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Galena Siderite Pyrolusite Magnetite Galena Siderite Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Carbohydrate Protein Fat Cellulose Carbohydrate Protein Fat Cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Bromine Carbon Sulphur Phosphorous Bromine Carbon Sulphur Phosphorous ANSWER DOWNLOAD EXAMIANS APP