Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays X-rays ? and ? rays Positive rays ?-rays X-rays ? and ? rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Graphite Sulphur Bauxite Phosphorus Graphite Sulphur Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals Light metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Ionic Nonpolar Polar Covalent Ionic Nonpolar Polar Covalent ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Pesticide Fertilizer Insecticide Disinfectant Pesticide Fertilizer Insecticide Disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP