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Physical Science

Chapter 8 section 3
by

Amber Dowdy

on 26 October 2011

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Transcript of Physical Science

Physical Science
Chapter 8
Section 3 Acids- a compound that produces hydronium ions when dissolved in water A) Sour Taste
ex) lemon, grapefruit

B) Reactivity with metals
ex) spaghetti wrapped in litmus paper
•The reaction between a acid and a metal is a single replacement reaction
C) Color Change Indicator

•Indicator- any substance that changes color in the presence of and acid or base
Bases- produces a hydroxide ion when dissolved A) Bitter
Ex) Sugar- unsweetened chocolate, cough syrup, liquid medicines
B) Slippery
Ex) cleaning products and wet soap
C) Color Change Indicator
Ex) hydrangea

Neutralization and Salts
A) Reaction between acid and base is neutralization
Ex) lemon on a fish
B) Negative (-) ions in acid combine with positive (+) ions to form a salt C) Most common example of salt compound- table salt
Proton Donors and Acceptors
A) Acids lose protons B) Bases accept protons C) Water is neither an acid or a base
• It depends on the compound in which it reacts
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