Acid and Bases

Destinee Gilbert / Period 2 / March 23, 2015

Acid

Definition:


A compound that produces H+ ions when dissolves in water.



Examples:


  • Hydrochloric Acid: Multi-Clean 950 Bowl Cleaner
  • Tannic Acid: Tea
  • Aristolochic Acid: Snake Venom


Properties of Acids:


  • Sour taste
  • Turns litmus paper RED
  • Reacts with metals to form H2 gas
  • Reacts with base to form salt and water

Base

Definition:


A compound that produces OH- ions (hydroxide) when dissolved in water.


Examples:


  • Milk of Magnesia: Magnesium hydroxide
  • Drain Cleaner: Sodium hydroxide
  • Human Saliva



Properties:


  • Bitter taste
  • Slippery
  • Turns litmus paper BLUE
  • Reacts with acids to form H2O and Salt
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PH Scale

Strong acids are located closer to 0 than weaker acids. Examples of strong acids are the following: Battery Acid, Lemon Juice, Coke and Pepsi, Etc.


Weak acids are located closer to 7, or the neutral zone, but are still concidered to be acids. Examples of weak acids are these: Black Coffee, Healthy Skin, Urine, Etc.


Strong bases are located closer to 14 than weak bases are. Examples of strong bases are: Liquid Draine Cleaner, Bleach, Oven Cleaner, Etc.


Weak bases are locacted closer to 7 than strong bases are; Examples of weak bases: Shampoos, Toothpaste, Hand soup, Etc.


Neutral Substances are located exactly on 7 which is pure blood and water.

Vocabulary Defintions

Cation: A positively charged ion.

Anion:

Indicators

PH Paper

  • PH paper is a univeral indicator which is a mixture of multiple indicator to give a wide range of the PH scale.