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Chemical And Physical Properties And Changes
Test Description: Chemical and physical properties and changes
Instructions: Answer all questions to get your test result.
1) A characteristic of matter that can only be observed during a chemical change is what type of property?
A
physical property
B
chemical property
2) A characteristic of matter that can be observed with the five senses without doing anything to the matter is what type of property?
A
chemical property
B
physical property
3) A change that does NOT change the chemical composition of matter is what type of change?
A
physical change
B
chemical change
4) A change that DOES change the chemical composition of matter is what type of change?
A
chemical change
B
physical change
5) Copper reacting with oxygen to form a precipitate known as patina is an example of what type of change?
A
physical change
B
chemical change
6) Ice melting into water is an example of what type of change?
A
physical change
B
chemical change
7) Aluminum foil being wrapped around a pan is an example of what type of change?
A
physical change
B
chemical change
8) Our bodies using a process called cellular respiration to turn oxygen into carbon dioxide is an example of what type of change?
A
physical change
B
chemical change
9) The Law of Conservation of Matter says that matter is never created or destroyed.
A
false; it says matter can be created and destroyed
B
true
10) The energy for chemical reactions is stored in chemical bonds.
A
true
B
false; it is stored in the nucleus
11) In a chemical reaction the amount of matter changes.
A
true
B
false; the amount of matter stays the same
12) A chemical reaction that releases is heat is what type of chemical reaction?
A
endothermic reaction
B
exothermic reaction
13) A chemical reaction that absorbs heat from it's surroundings is what type of chemical reaction?
A
endothermic reaction
B
exothermic reaction
14) The cause of a chemical change is called what?
A
chemical reaction
B
chemical equation
15) A formula that shows the reactants and products stay the same is known as what?
A
chemical equation
B
chemical reaction
*select an answer for all questions
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