jueves, 14 de julio de 2016

True or false

  1. Chemistry is the science that deals with materials in laboratories. _T_
  2. There is only one type of chemistry. _F_
  3. Organic chemistry looks at which chemicals are in things. _T_
  4. Organic chemistry looks at things that have carbon in them._T_
  5. Polymer chemistry is a small area of chemistry._T_
  • the elements dont have oxidation number
  • All substances are gaseous
  • water is a simple substance 
  • sodium bicarbonate is an acidic substance