Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines The air around the sea is saltish Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines The air around the sea is saltish Sea animals are salt producing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Electrolysis Zone refining Oxidation Roasting Electrolysis Zone refining Oxidation Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Nitrogen Fluorine Sulphur Chlorine Nitrogen Fluorine Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Lead Carbon Mica Graphite Lead Carbon Mica Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Chalco pyrites Fluorspar Hematite Bauxite Chalco pyrites Fluorspar Hematite Bauxite ANSWER DOWNLOAD EXAMIANS APP