Chemical Properties/ Changes Flashcards
How many COMMON chemical properties are there?
Three
What are the three common chemical properties
Combustion, corrosion, and reaction with acid
What is combustion?
Combustion is the ability to burn, NOT melt, or react with oxygen to produce fire.
How flammable a substance is
What is corrosion?
When a substance reacts with oxygen to form an oxide, or basically a rust
What is “reaction with acid”?
Some substances have a characteristic reaction with acid
Baking soda forms carbon dioxide bubbles
What is a chemical change?
A chemical change is a change in the substance(s) and production of more substances
How many clues are there that a chemical change has occurred?
There a 5 clues
What is a chemical property?
A description of the behaviour that occurs when one substance interacts with another to become a new substance
Provide an example of this clue:
A new colour has formed.
Hair dye, roasting marshmallows, something burning,
Provide an example of this clue:
A new odour has formed.
Rotting garbage, cooking, burning dinner,
Provide an example of this clue:
Heat or light given off.
Fire, glow-sticks, fireflies,
Provide an example of this clue:
Bubbles or gas formed.
Baking soda and vinegar, digestion,
Provide an example of this clue: A precipitate (solid material) formed in liquid
Sour milk
