Chemistry The gas that usually causes explosions in coal mines is Methane Carbon monoxide Hydrogen Air Methane Carbon monoxide Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Fluorspar Chalco pyrites Bauxite Hematite Fluorspar Chalco pyrites Bauxite Hematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Baking powder Soda lime Baking soda Soda ash Baking powder Soda lime Baking soda Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Tartaric acid Acetic acid Oxalic acid Malic acid Tartaric acid Acetic acid Oxalic acid Malic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Phosphoric acid Boric acid Salicylic acid Phosphorus acid Phosphoric acid Boric acid Salicylic acid Phosphorus acid ANSWER DOWNLOAD EXAMIANS APP
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