Chemistry When water itself combines chemically with some element or mineral it is called Oxidation Carbonation Desilication Hydration Oxidation Carbonation Desilication Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Tap water Ground water Rain water Distilled water Tap water Ground water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Lead Graphite Carbon Mica Lead Graphite Carbon Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Carbon Lead Zinc Tin Carbon Lead Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Nitrogen Oxygen Nitrous oxide Carbon dioxide Nitrogen Oxygen Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP