Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Nitric acid Aqua ragia Sulphuric acid Hydrochloric acid Nitric acid Aqua ragia Sulphuric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Proton Neutron Hydrogen nucleus Electron Proton Neutron Hydrogen nucleus Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has least negative electron gain enthalpy P F S Cl P F S Cl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium sulphate Aluminium powder Solder None of these Aluminium sulphate Aluminium powder Solder None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Oocyte Spermatozoan Erythrocyte Lymphocyte Oocyte Spermatozoan Erythrocyte Lymphocyte ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS