Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 1.4 0.34 0.94 0.14 1.4 0.34 0.94 0.14 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Blue colour is imparted to glass by the addition of FeSO₄ NaOH CaO PbO FeSO₄ NaOH CaO PbO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main product in calcium carbide-water reaction is CO₂ CaCO₃ Ca(OH)₂ C₂H₂ CO₂ CaCO₃ Ca(OH)₂ C₂H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chalcopyrite is the main ore of Iron Lead Tin Copper Iron Lead Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Bauxite Chalcopyrite Hematite Galena Bauxite Chalcopyrite Hematite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lime and soda ash are added to water to remove Bicarbonates & sulphates of calcium and magnesium Bacteria Its corrosiveness Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium Bacteria Its corrosiveness Undersirable taste and odour ANSWER DOWNLOAD EXAMIANS APP
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