Chemistry Brass is a Heterogeneous mixture Element Homogeneous mixture Compound Heterogeneous mixture Element Homogeneous mixture Compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LD50 NOAEL ADI LC50 LD50 NOAEL ADI LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Chromium Zinc Nickel Sulphur Chromium Zinc Nickel Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Lactic acid Uric acid Urea Glucose Lactic acid Uric acid Urea Glucose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Chemical fixation Capping Landfill Encapsulation Chemical fixation Capping Landfill Encapsulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS