Chemistry The rusting of iron is a/an Physical change Electrochemical change None of these Electrical change Physical change Electrochemical change None of these Electrical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Ethers Alcohols Aldehydes Esters Ethers Alcohols Aldehydes Esters ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Cockroaches White ants Mosquitoes Red ants Cockroaches White ants Mosquitoes Red ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Phenol Propane Toluene Butane Phenol Propane Toluene Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS