Chemistry Where does the oxygen that keeps us alive come from? Water Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water Carbon dioxide Oxides of minerals Carbonates absorbed from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Iron Coal Diamond Graphite Iron Coal Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Bauxite Hematite Fluorspar Chalco pyrites Bauxite Hematite Fluorspar Chalco pyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Tartaric acid Acetic acid Sodium carbonate Sodium salt of benzoic acid Tartaric acid Acetic acid Sodium carbonate Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Cinnabar Haematite Dolomite Bauxite Cinnabar Haematite Dolomite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Flourine Iodine Bromine Chlorine Flourine Iodine Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
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