Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Encapsulation Landfill Chemical fixation Capping Encapsulation Landfill Chemical fixation Capping ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 0.01 0.05 1 2 0.01 0.05 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Hydrophobic colloid Extrinsic colloid Associated colloid Hydrophilic colloid Hydrophobic colloid Extrinsic colloid Associated colloid Hydrophilic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Fractional distillation Filtration Evaporation Distillation Fractional distillation Filtration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in OF2 H2O (2) C12O N2O OF2 H2O (2) C12O N2O ANSWER DOWNLOAD EXAMIANS APP
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