Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Lack of oxygen in the surroundings of sigrees ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Dust Algae Arsenic Bacteria Dust Algae Arsenic Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particle having no mass and no charge, but only spin is Neutrino Meson Proton Electron Neutrino Meson Proton Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Tin Lead Zinc Copper Tin Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and bismuth Lead and zinc Lead and antimony Lead and copper Lead and bismuth Lead and zinc Lead and antimony Lead and copper ANSWER DOWNLOAD EXAMIANS APP