Chemistry Lead in water can cause Arthritis Hair falling Eye disease Kidney damage Arthritis Hair falling Eye disease Kidney damage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million Ten million One million Two million Half a million Ten million One million Two million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Endothermic reaction Photochemical reaction Physical change Exothermic reaction Endothermic reaction Photochemical reaction Physical change Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Acetylene Propylene Methane Ethylene Acetylene Propylene Methane Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Glycerol Propyl alcohol Ethyl alcohol Methyl alcohol Glycerol Propyl alcohol Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP