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>
apps
export
edit
print
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

Acids/alkalis, salts

Chemistry

QuestionAnswer
Litmus paper: Red litmus paper will turn blue when dipped in alkali, blue litmus paper will turn red when dipped in acid.
Phenolpthalein: Turns from colourless (acid) to pink (alkali).
Methyl orange: Turns from red (acid) to yellow (alkali).
What are acids a source of? Positive hydrogen ions H+
What are alkali's a source of? Negative hydroxide ions OH-
Acid + metal -> Salt + hydrogen
Acid + metal oxide -> Salt + water
Acid + metal hydroxide -> Salt + water
Acid + carbonate -> Salt + carbon dioxide + water
All common sodium, potassium & ammonium salts are what? Soluble.
All nitrates are what? Soluble.
Common chlorides (with the exception of silver chloride) are what? Soluble.
Common sulfates (except those of barium & calcium) are what? Soluble.
Common carbonates (except those of sodium, potassium & ammonium) are what? Insoluble.
So basically, all salts are soluble APART FROM: Silver chloride, barium/calcium sulfate & common carbonates.
Created by: eloiseis
 

 



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