Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Describing Matter
Test Description: Describing physical and chemical changes, physical and chemical properties and chemical reactions.
Instructions: Answer all questions to get your test result.
1) Melting ice is an example of a(n)
A
chemical change
B
physical change
C
release of covalent molecules
D
ionic bond
2) You calculate the density of pure water to be 1 g/ml. You have just found
A
the kinetic energy of the molecules of water
B
the number of valence electrons in water
C
a chemical property of water
D
a physical property of water
3) You put a beaker of ice on a hot plate and turn it on high. For 5 minutes the temperature of the ice remains the same. Why ?
A
The energy going into the beaker is being used to increase the speed of the molecules if water,
B
The thermometer is broken.
C
The hot plate is not working properly.
D
The energy going into the beaker is being used to separate the molecules of water.
4) When you add energy to a substance, what two things can occur to the molecules of the substance?
A
They can either speed up or move farther apart.
B
They can either break apart or form new compounds.
C
They can either slow down or move closer together.
D
They can either increase in number or change phase.
5) In the chemical equation Na + Cl - NaCl, what is (are) the reactant(s)?
A
NaCl
B
Na
C
Both Na and Cl
D
Cl
6) In the chemical equation Na + Cl - NaCl, what is (are) the product(s)?
A
Cl
B
Both Na and Cl
C
NaCl
D
Na
7) Matter is anything that has
A
None of these are correct
B
energy
C
mass and weight
D
mass and volume
8) The study of matter and how matter changes is called
A
Geology
B
Biology
C
Chemistry
D
Physics
9) Which below is a chemical property?
A
The freezing temperature of water is 0 degrees Celsius.
B
Paper is white.
C
Ice is a solid.
D
Wood can burn.
10) Which below is a physical property.
A
Wood can rot.
B
The boiling point of water is 100 degrees Celsius.
C
Baking soda will react with vinegar.
D
Iron can rust.
11) When you combine two substances chemically and create a new substance, you have created a(n)
A
compound
B
solution
C
element
D
mixture
12) What is the difference between a compound and a mixture.
A
All of these.
B
A compound can only be separated chemically while a mixture can be separated physically.
C
In a compound, the substances have to be in a set ratio, while in a mixture they do not.
D
A mixture is physically combined while a compound is chemically combined.
13) A mixture in which you can see the individual particles is a(n)
A
solution
B
homogeneous mixture
C
heterogeneous mixture
D
compound
14) Salt is made of sodium, an explosive solid, and chlorine a poisonus gas. Why can we eat salt?
A
Because the sodium can cancel out the effects of the chlorine.
B
Because our bodies can change the substances.
C
Because the properties of a compound are different from the properties of the substances which they are made of.
D
Because they are a mixture, and mixtures can't hurt you.
15) Is the chemical equation on the board balanced?
A
No, there are 2 hydrogen atoms on the product side and only 1 on the product side.
B
No, there are 2 hydrogen atoms on the reactants side and 4 on the product side.
C
Yes, it is balanced.
D
No, there are 2 oxygen atoms on the reactant side and only 1 on the product side.
16) In the chemical equation Na + Cl - NaCl, if I have 10 grams of Na and 20 grams of Cl, how much NaCl should I have?
A
None, they will cancel each other out.
B
30 grams
C
15 grams
D
10 grams
17) A single kind of matter that always has a specific makeup and a specific set of properties.
A
heterogeneous mixture
B
homogeneous mixture
C
solution
D
pure substance
18) A pure substance made of two or more elements chemically combined in a set ratio.
A
compound
B
solution
C
element
D
mixture
19) A characteristic of a substance which can be observed without changing it into another substance.
A
relative property
B
chemical property
C
physical property
D
solution
20) A characteristic of a pure substance that describes its ability to change into different substances.
A
physical property
B
chemical property
C
solution
D
relative property
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?