Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Dehydration Decomposition Oxidation Reduction Dehydration Decomposition Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in water Formaldehyde in methanol Gaseous formaldehyde Ethylene glycol Formaldehyde in water Formaldehyde in methanol Gaseous formaldehyde Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Algae Arsenic Bacteria Dust Algae Arsenic Bacteria Dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Bromine Chlorine Iodine Fluorine Bromine Chlorine Iodine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The influence of temperature on reaction rate is predicted by Kirchhoff's equation Arrhenius equation Van der Waals equation Lewis equation Kirchhoff's equation Arrhenius equation Van der Waals equation Lewis equation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Readily miscible with oxygen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP