Chemistry The highest volume of gases in lower atmosphere is comprised of Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sublimation Sedimentation Magnetization Evaporation Sublimation Sedimentation Magnetization Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Physical change Electrochemical change None of these Electrical change Physical change Electrochemical change None of these Electrical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Zinc oxide Aluminium oxide Calcium oxide Magnesium oxide Zinc oxide Aluminium oxide Calcium oxide Magnesium oxide ANSWER DOWNLOAD EXAMIANS APP
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