Chemistry Quiz Questions-(Chemical and elements)
Chemistry Quiz Questions-(Chemical and elements) •H2O is liquid, but H2S is what? Gas • Which sulfur has needle shaped crystals? Prismatic • Gold paint made from: Copper • Name a reducing agent: Hydrogen sulfide • Name the dehydrating agent: Sulfuric acid • Name a bleaching agent: Sulfur di oxide • A rain coat is made up of what? Polychloroethene • Which element on adding to natural rubber makes it less sticky in hot weather and less hard in cold weather? Sulfur • Which chemical causes Minimata disease? Mercury • The absence of cobalt in minute quantities in human body causes what? Pernicious anemia • Which element can easily form chains? Carbon • Oxygen can accept electron from all elements except what? Fluorine • Which element is used as an antichlor? SO2 • Which is the most reactive element in sixth group? Oxygen • Which is the smallest atom in sixth group element? Oxygen • All the oxide which contains two atoms of oxygen in a molecule is ...