Chemical Process Reaction of calcium carbide with water produces a gas, which is used As an illuminant Both A & B Neither A nor B For metal cutting/welding As an illuminant Both A & B Neither A nor B For metal cutting/welding ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the endothermic reaction out of the following. CO +1/2O₂ = CO₂ CaCO₃ = CaO + CO₂ CO + 3H₂ = CH₄ + H₂O C+1/2O₂ = CO CO +1/2O₂ = CO₂ CaCO₃ = CaO + CO₂ CO + 3H₂ = CH₄ + H₂O C+1/2O₂ = CO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rancidity of the fatty oil can be reduced by its Hydrogenation Purification Oxidation Decoloration Hydrogenation Purification Oxidation Decoloration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used As a foam depressant in distillation column As a lubricant As a rust preventive In hard water for cleaning of cloth As a foam depressant in distillation column As a lubricant As a rust preventive In hard water for cleaning of cloth ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most widely used coagulant for removing suspended impurities from water is Chlorine Bleaching powder Alum Calcium sulphate Chlorine Bleaching powder Alum Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrocynic acid (HCN) is used as an insecticide for Citrus fruits Controlling timber degradation by ants Controlling poultry lice Potato beetle Citrus fruits Controlling timber degradation by ants Controlling poultry lice Potato beetle ANSWER DOWNLOAD EXAMIANS APP
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