Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million Ten million Two million One million Half a million Ten million Two million One million ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Decantation Distillation Evaporation Filtration Decantation Distillation Evaporation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free available chlorine Residual chlorine Free chlorine Combined available chlorine Free available chlorine Residual chlorine Free chlorine Combined available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Teflon Polystyrene Perspex Styrofoam Teflon Polystyrene Perspex Styrofoam ANSWER DOWNLOAD EXAMIANS APP