Most Hazardous Materials

• Hydrochloric Acid, 1.0 M (Strong Acid), HCl
  
• Sodium Hydroxide, 1.0 M (Strong Base), NaOH
  

Less Hazardous Materials

• Antacids

  • Aluminum Hydroxide, Al(OH)3
    
  • Calcium Carbonate (Limestone), CaCO3
    
  • Magnesium Hydroxide (Milk of Magnesia), Mg(OH)2
    
  • Sodium Bicarbonate (Baking Soda), NaHCO3
  
  

• Neutralization Products

  • Aluminum Chloride, AlCl3
    
  • Magnesium Chloride, MgCl2
    
  • Sodium Chloride (Table Salt), NaCl
  
  

• Indicators

  • Bromcresol Green (Indicator), Bromcresol Green
    
  • Methyl Red (Indicator), Methyl Red
    
  • Phenolphthalein (Indicator, Laxative), Phenolphthalein