PHYSICAL PROPERTIES OF ACIDS
 
 
  • It has a sour taste.
  • It turns blue litmus to red.
  • It turns methyl orange to red.
  • Acids are electrolyte.
  • Strong acids destroy fabric.
  • Strong acids cause burn on skin.
  • CHEMICAL PROPERTIES OF ACIDS
     
    NEUTRALIZATION
     
    An acid when reacts with a base, salt & water are produced. This reaction is called neutralization
    HCl + NaOH NaCl + H2O

    HNO3 + NaOH
    NaNO3 + H2O

    HCl + KOH
    KCl + H2O
    REACTION WITH CARBONATES
     
    Acid and carbonates are combined to produce salt, water and carbon dioxide

    MgCO3 + 2HCl MgCl2 + CO2 + H2O

    CaCO3 + 2HCl CaCl2 + CO2 + H2O

    Na2CO3 + H2SO4 Na2SO4 + CO2 + H2O

    CaCO3 + H2SO4 CaSO4 + CO2 + H2O

    REACTION WITH BICARBONATES
     
    Acid and bicarbonates are combined to produce salt, water and carbon dioxide
    NaHCO3 + HCl NaCl + CO2 + H2O
    REACTION WITH METAL
     
    With Zinc:
    Zn + 2HCl ZnCl2 + H2
    With Aluminum:
    2Al + 6HCl 2AlCl3 + 3H2
    Reaction with iron oxide:
    6HCl + Fe2O3 2FeCl3 + 3H2O
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