Chemistry Which one of the following minerals is found in pure form? Iron Copper Bauxite Manganese Iron Copper Bauxite Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Calcium carbide Calcium oxide Silicon oxide Silicon carbide Calcium carbide Calcium oxide Silicon oxide Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was iron bronze copper gold iron bronze copper gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and antimony Copper and zinc Copper and tin Lead and tin Lead and antimony Copper and zinc Copper and tin Lead and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Citric acid Oxalic acid Acetic acid Formic acid Citric acid Oxalic acid Acetic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Sodium Calcium Magnesium Silicon Sodium Calcium Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
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