Chemistry What is used in storage batteries? Lead Zinc Tin Copper Lead Zinc Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Aluminium Silver Gold Iron Aluminium Silver Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Two bonds Three bonds Four bonds One bond Two bonds Three bonds Four bonds One bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Fe Ag Na Hg Fe Ag Na Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal ANSWER DOWNLOAD EXAMIANS APP
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