Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Bicarbonates Sulphates Carbonates Phosphates Bicarbonates Sulphates Carbonates Phosphates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Esterification reaction Is a reaction between an alcohol and an organic acid Is reversible Produces soap All of these Is a reaction between an alcohol and an organic acid Is reversible Produces soap All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the second major component of cement? Al₂O₃ CaO SiO₂ Fe₂O₃ Al₂O₃ CaO SiO₂ Fe₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalyst used during the manufacture of 'Vanaspati Ghee' is Nickel Zinc Platinum Copper Nickel Zinc Platinum Copper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used In hard water for cleaning of cloth As a rust preventive As a lubricant As a foam depressant in distillation column In hard water for cleaning of cloth As a rust preventive As a lubricant As a foam depressant in distillation column ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal ANSWER DOWNLOAD EXAMIANS APP
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