Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

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

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


What tempeture does it freeze at? Freezes 0 degluis celsius
What it turn into ? solid ice
What substance dissolves? Calcium and Mangesium
What happens when it freezes? Expands
Whats the checimal frouma for water? H2O
What the density? Ig/cm cubed
What water molecules? Clings together forming bonds. More attacted to the container side than each other and this creates...
What menisus layer? When it creates water molecules
What is the test of water? Snhydrous Copper Sulphate white to blue Cobalt Chloride blue to pink
What is screening? Pass through a grid or screen and remove large debris
Settling? Settling in a tank add aluminium sulphate. Small particcles clump together?
Filtration Passed throuugh sand and rocks filter beds Removes dirt
Chl;orations Kill bacteria
Fluration helps tooth decay
Hard what is caused .... calcium and magnesium
ions are? Calcium and chloride ion.
What is insouble ? CALCIUM CARBONBATE
Rainwater acts on limewater because? to produce Calcium hydrocarbonate
Dissolves calcium carbonate is acidic
Boiling Calcium Hydrocarborboneate turns Liquid to a solid.
whats limesclae liquis to a solid
Advanages of water Healthy bones and teeth tastes nicer goodbrewing
disadvantages of water Blocks pipes produces lime scale Doesnt lather soap so it produce scum
What is electroylsis use of electricity cause a checimal change
what is used to split water Hofmann voltameter
Created by: Kbuttimer2018