mixtures or pure substances

• Is granite a pure substance or a mixture?

  mixture
• Is pizza a pure substance or a mixture?

  mixture
• Is gold a pure substance or a mixture?

  pure substance
• Is stainless steel a pure substance or a mixture?

  mixture
• Is water a pure substance or a mixture?

  pure substance
• Is milk a pure substance or a mixture?

  mixture
• Is soda a pure substance or a mixture?

  mixture
• Is salt water a pure substance or a mixture?

  mixture
• Is iron a pure substance or a mixture?

  pure substance
• Is carbon dioxide CO2) a pure substance or a mixture?

  pure substance
• Is tin (Sn) a pure substance or a mixture?

  pure substance
• Is chalk (CaCO ) a pure substance or a mixture?

  pure substance
• Is rust (Fe2O3) a pure substance or a mixture?

  pure substance