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Chemistry - Properties of Acids and Bases

Properties of Acids and Bases - Macroscopic View

Here are some properties of acids:

Taste sour

Produce a painful sensation on the skin

React with certain metals to produce hydrogen gas

React with limestone and baking soda to produce carbon dioxide

React with litmus paper turning it red

Here are some properties of bases:

Taste bitter

Feel slippery on the skin

React with oils and greases

React with litmus paper turning it blue

React with acids to produce a salt and water

 

What Acids and Bases Look Like - Microscopic View

All acids contain hydrogen; most bases contain the hydroxide ion (OH ­ ). There are two main theories that use these facts in their descriptions of acids and bases and their reactions.

These two theories are:

Arrhenius Theory

Bronsted-Lowery Theory

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