Chemistry The purest form of water in nature is Lake water Rain water River water Sea water Lake water Rain water River water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Helium Neon Argon Krypton Helium Neon Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by They can not be separated Both A and B Physical methods Chemical methods They can not be separated Both A and B Physical methods Chemical methods ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Methane Sulphur dioxide Carbon dioxide None of these Methane Sulphur dioxide Carbon dioxide None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Neutron Proton Hydrogen nucleus Electron Neutron Proton Hydrogen nucleus Electron ANSWER DOWNLOAD EXAMIANS APP