Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Magnetization Evaporation Sublimation Sedimentation Magnetization Evaporation Sublimation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Aldehydes Ethers Esters Alcohols Aldehydes Ethers Esters Alcohols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Lowering of pH of soil Eutrophication in lakes Industrial smog formation Depletion of fossil fuel reserves Lowering of pH of soil Eutrophication in lakes Industrial smog formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Sulphur Bromine Phosphorous Carbon Sulphur Bromine Phosphorous Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Cracks during setting Is slow setting Becomes more strong Is quick setting Cracks during setting Is slow setting Becomes more strong Is quick setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CrO4]2− [CoF6]3+ [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CrO4]2− [CoF6]3+ ANSWER DOWNLOAD EXAMIANS APP