Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Lead Nickel Zinc Chromium Lead Nickel Zinc Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Propyl alcohol Methyl alcohol Glycerol Ethyl alcohol Propyl alcohol Methyl alcohol Glycerol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Sulphur Phosphorous Silicon Magnesium Sulphur Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Zinc Gold Iron Copper Zinc Gold Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Neon Nitrogen Oxygen Fluorine Neon Nitrogen Oxygen Fluorine 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. There is no reaction. 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 ANSWER DOWNLOAD EXAMIANS APP