Chemistry The compounds formed when hydrogen combines with p-block elements are called Molecular hydrides Polynuclear hydrides Metallic hydrides Ionic hydrides Molecular hydrides Polynuclear hydrides Metallic hydrides Ionic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of protons and electrons the number of nucleons the number of neutrons the number of protons the number of protons and electrons the number of nucleons the number of neutrons the number of protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Charcoal Diesel Coal-tar Camphor Charcoal Diesel Coal-tar Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was iron gold copper bronze iron gold copper bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Electrons Neutrons Positrons Protons Electrons Neutrons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Propyl alcohol Methanol Ethanol Ethylene glycol Propyl alcohol Methanol Ethanol Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP