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what is an acid?
Acids are substances that have a pH of less than 7 on the pH scale . pH is a measurement of how acidic or basic a substance. The lower the pH the more acidic the substance. Generally acids have  -               
  • sour taste .
  • Turn litmus paper red.
  • Release H+ ions in water
  • Neutralize bases
  • Strongly acidic solutions have more H+ ions 
Example: citrus fruits, vinegar, battery acid

Common Acids in Chemistry
  • Hydrochloric acid: HCl
  • Carbonic acid: H2CO3
  • Sulfuric acid: H2SO4
  • Acetic acid: HC2H3O2
  • Phosphoric acid: H3PO4



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