Chemistry Commercial Vaseline is derived from Wool wax Petroleum Plant gums Coal tar Wool wax Petroleum Plant gums Coal tar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of protons and neutrons electrons and neutrons All of these electrons and protons protons and neutrons electrons and neutrons All of these electrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are positrons neutrons mesons electrons positrons neutrons mesons electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon dioxide Water vapour Carbon monoxide Ozone Carbon dioxide Water vapour Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Rayon Terylene Cotton Viscose Rayon Terylene Cotton Viscose ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS