Other questions in this quiz

2. when calcium carbonate is heated it makes calcium oxide and carbon dioxide, what is the heating process called?

  • thermal decomposition
  • smelting
  • electrolysis

3. if electrons are removed from an atom, the atom becomes charged and is known as an...

  • nucleus
  • ion
  • protons

4. how is crude oil sparated into different groups of hydrocarbons?

  • factional distillation
  • fractional smelting

5. atoms are represented by...

  • pictures
  • symbols
  • long words


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