Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Hot dipping Tinning Galvanising Electroplating Hot dipping Tinning Galvanising Electroplating ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Al22O3 Na2O CaO MgO Al22O3 Na2O CaO MgO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is magnesite carnallite calcite dolomite magnesite carnallite calcite dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Aluminium Mercury Arsenic Lead Aluminium Mercury Arsenic Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Graphite Phosphorus Sulphur Bauxite Graphite Phosphorus Sulphur Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Acetylene Ethane Butane Methane Acetylene Ethane Butane Methane ANSWER DOWNLOAD EXAMIANS APP
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