Physical And Chemical Characteristics Flashcards
What is a chemical property?
Describe the behavior that a substance displays when it changes.
What is a physical property?
A property that can be described using five senses.
What is a physical change?
A change in the physical properties of a new substance - no new substance is formed.
What is a chemical change?
I change in which a new substance is formed.
What are some clues that a chemical change has a occured?
- Gas released
- Change of colour
- Energy is exchanged
- A precipitate is formed
- Hard to reverse
A physical change is a change of matter from one form to another without a change and chemical properties. T or F?
True
A physical change is a change that occurs when a substance changes composition by forming one or more new substances. T or F?
False
Color change is evidence that a chemical change may have occurred. T or F?
True
Fizzing or foaming is evidence that a chemical change may have occurred
True
Production of light is evidence that is physical change may have occurred
False; Chemical change
Production of heat or light is evidence that chemical change may have occurred. T or F?
True
A change in order is evidence that a physical change may have occurred. T or F?
False; chemical change
Chemical changes can be reversed by physical changes. T or F?
False; Chemical changes cannot be reversed
Physical change or chemical change?; you cut your hair
Physical change
Physical change or chemical change? ; making a peanut pretzel and cereal mixture
Physical change
Physical change or chemical change?; baking soda reacts with vinegar and forms a gas
Chemical change
Physical change or chemical change? ; and aspirin is crushed into fine powder
Physical change
Physical change or chemical change? ; copper turns green when exposed to the environment?
Chemical change
Physical change or chemical change? ; to clear liquids are mixed and a yellow color forms
Chemical change
Physical change or chemical change? ; baking cookies
Chemical change
Physical change or chemical change? ; diamonds are used to scratch glass
Physical change
Chemical change or physical change? ; A tree burns to form ashes
Chemical change
Physical change or chemical change? ; food spoiling
Chemical change
Physical change or chemical change? ; I candle burning
Chemical change
Physical change or chemical change? ; A candle melting
Physical change
