Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Chemistry Quiz 2

Physical and chemical change quiz review

QuestionAnswer
When heat is applied to a substance, the speed of the molecules... Increases
What is the freezing point of water? 0 degrees Celsius
What phase are particles generally the closest? Solid
What is the boiling point of water? 100 degrees Celsius
A substance is easiest to compress when it is a... Gas
Molecules move most freely when they are in... The gas phase
What kind of change must occur to form a compound? Chemical change
What is the substance in a solution that dissolved called? Solutes
What is the substance in a solution that the solute dissolves in? Solvents
Recovering the solute from the solution can be done by... Evaporation
What is a mixture? When two or more substances come together but don't form a new substance
What is a solution? When two substances combine and one dissolves in the other
What is the most common solvent? Water
Undissolved solid particles can best be separated from a solution by... Filtering
The solubility of most solids in water can be increased by... Increasing temperature
What is a physical property? A characteristic of a material that can be observed or measured without changing the identity of the material
What is a physical change? A change in physical property
What are some examples of physical properties? Length, mass, volume, density, colour, weight, state of matter
What is a chemical property? A characteristic of a material that gives a substance the ability to undergo a change that will result in a new substance
What are some examples of chemical properties? Flammability, meets with water, meets with oxygen
What is a chemical change? A change in the identity of the substance that happened because of chemical properties
What is an aqueous solution? A solution in which water is the solvent
What makes something nonpolar? It has an even distribution of electrons; it is symmetrical
What makes something polar? It is assymetrical
What does like dissolves like mean? Polar solvents dissolve polar solutes and nonpolar solvents dissolve nonpolar solutes
What is the process of state changing from liquid to gas called? Evaporation
What is the process of state changing from gas to liquid called? Condensation
What is the process of state changing from solid to liquid called? Melting
What is the process of state changing from liquid to solid called? Freezing
What is the process of state changing from solid to gas called? Sublimation
What is the process of state changing from gas to solid called? Deposition
Created by: lopiegabby
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards