Chemical vs. Physical - Properties and Changes Flashcards
What type of property is red color?
Physical
Red color is a physical property.
What type of property is density?
Physical
Density is a physical property.
What type of property is the ability to burn?
Chemical
The ability to burn is a chemical property.
What type of property is the ability to dissolve?
Physical
The ability to dissolve is a physical property.
What type of property is the ability to react with vinegar to form carbon dioxide?
Chemical
The ability to react with vinegar is a chemical property.
What type of property is bitter taste?
Physical
Bitter taste is a physical property.
What type of property is melting point?
Physical
Melting point is a physical property.
What type of property is the ability to react with water to form a gas?
Chemical
The ability to react with water is a chemical property.
What type of property is the ability to react with a base to form water?
Chemical
The ability to react with a base is a chemical property.
What type of property is hardness?
Physical
Hardness is a physical property.
What type of property is boiling point?
Physical
Boiling point is a physical property.
What type of property is the ability to rust?
Chemical
The ability to rust is a chemical property.
What type of change is sodium chloride dissolving in water?
Physical
Dissolving is a physical change.
What type of change is hydrochloric acid reacting with sodium hydroxide to form salt and water?
Chemical
This reaction is a chemical change.
What type of change is a pellet of sodium being sliced in two?
Physical
Slicing is a physical change.
What type of change is water being heated and changed to steam?
Physical. Even though it has a different name, it’s still water.
Heating water to steam is a physical change.
What type of change is pancakes cooking?
Chemical
Cooking causes chemical changes. You can tell by the new color and smell.
What type of change is silver tarnishing?
Chemical
Tarnishing is a chemical change.
What type of change is ice melting?
Physical
Melting ice is a physical change.
What type of change is milk turning sour?
Chemical
Sour milk is a chemical change.
What type of change occurs when cabbage juice indicator turns pink?
Chemical
Color change indicates a chemical change.
What type of change occurs when two substances combine to form a mixture?
Physical
Forming a mixture is a physical change.
What type of change occurs when two substances combine to form a solution?
Physical
Forming a solution is a physical change.
Is a change in color evidence of a chemical change?
Yes. Color itself is a physical property, but a CHANGE in color is the result of a new substance being made by a chemical change.
Is a change in shape evidence of a chemical change?
No, it is a physical change. No new substance is made.
Is a new smell evidence of a chemical change?
Yes. Smell itself is a physical property, but a CHANGE in smell is the result of a new substance being made by a chemical change. (Think of something cooking or burning.)
Is a new taste evidence of a chemical change?
Yes. Taste itself is a physical property, but a CHANGE in taste is the result of a new substance being made by a chemical change. (Think of milk souring.)
Is a change in temperature evidence of a chemical change?
Yes. Chemical changes can release heat or make things colder.
Is the creation of a gas (bubbles) evidence of a chemical change?
Yes. Chemical changes can create gas. (Think of carbon dioxide bubbles forming when vinegar mixes with baking soda.)
Is the creation of light or sound evidence of a chemical change?
Yes. Chemical changes may release energy in the form of light or sound. (Think of fireworks exploding.)
