Chemistry Which of the following is a commercial source of energy? Agricultural waste Sun Natural gas Dried dung Agricultural waste Sun Natural gas Dried dung ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its non-metallic character Its affinity for non-metal Its reducing character Its electropositive character Its non-metallic character Its affinity for non-metal Its reducing character Its electropositive character ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Have negative charge Experience collision less frequently Are lighter Need less energy to move them Have negative charge Experience collision less frequently Are lighter Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is diamond graphite coke charcoal diamond graphite coke charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaHCO3 NaOH SOCl2 Tollen's reagent NaHCO3 NaOH SOCl2 Tollen's reagent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Water Oxides of mineral elements Carbonates from soil Carbon dioxide Water Oxides of mineral elements Carbonates from soil ANSWER DOWNLOAD EXAMIANS APP