Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Methane Ethylene Styrene Acetylene Methane Ethylene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Phosphorus Ozone Carbon Sulphur Phosphorus Ozone Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Aqua-regia Hydrochloric acid Acetic acid Nitric acid Aqua-regia Hydrochloric acid Acetic acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Platinum Iron Tungsten Gold Platinum Iron Tungsten Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Methyl alcohol Methane Phenol Propyl alcohol Methyl alcohol Methane Phenol Propyl alcohol ANSWER DOWNLOAD EXAMIANS APP