Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/4 1/3 1/6 1/8 1/4 1/3 1/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alum Alumina Gypsum Clay Alum Alumina Gypsum Clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Nitrous oxide Arsine Sulphur dioxide Ammonia Nitrous oxide Arsine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Neutron Proton Electron Hydrogen nucleus Neutron Proton Electron Hydrogen nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Both A and B Pure substance Heterogeneous Homogeneous Both A and B Pure substance Heterogeneous Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? None of these Coal, Natural Gas and Petroleum Coal and Natural Gas only Coal only None of these Coal, Natural Gas and Petroleum Coal and Natural Gas only Coal only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS