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

Compounds & Elements

Water treatment compound and elements

Aluminium chlorohydrates AlCl(OH)5 Use: coagulation
Aluminium sulfate (alum) Al2(SO4)3 Use: coagulation
Ammonia NH3 Use: Generation of chloramines for disinfection
Calcium hydroxide (hydrated lime) Ca(OH)2 Use: pH correction, Softening, Corrosion control
Calcium hypochlorite Ca(ClO)2 Use: Coagulation aid, pH correction, Softening, Corrosion control
Carbon C Use: Adsorption
Chlorine Cl or Cl2 Use: Disinfection/oxidation
Chlorine dioxide ClO2 Use: Disinfection/oxidation
Copper sulfate CuSO4 Use: Algae control
Ferric chloride FeCl3 Use: Coagulation
Ferric sulfates Fe2(SO4)3 Use:Coagulation
Hydrochloric acid HCl Use: pH Correction
Hydrofluorosilicic acid (fluorosilicic acid) H2SiF6 Use: Fluoridation
Hydrogen peroxide H2O2 Use: Disinfection, Oxidation
Hydroxylated ferric sulfate O3 Use: Disinfection/oxidation
Polyacrylamides (C3H5NO)n Use: Coagulation aid, Flocculation aid, Filter aid
Potassium permanganate KMnO4 Use: Disinfection/oxidation
Sodium aluminates NaAlO2 Use: Coagulation
Sodium bicarbonate NaHCO3 Use: pH correction, Softening, Corrosion control
Sodium carbonate (soda ash) Na2CO3 Use: pH correction, Softening, Corrosion control
Sodium fluoride NaF Use: Fluoridation
Sodium fluorosilicate Na2SiF6 Use: Fluoridation
Sodium hydroxide (caustic soda) NaOH Use: pH correction, Softening, Corrosion control
Sodium hypochlorite NaOCl Use: Disinfection/oxidation
Sodium silicate Na2SiO Use: Coagulation aid, Flocculation aid, pH correction, Corrosion control
Sulfuric acid H2SO4 Use: pH correction
Oxygen O
Hydrogen H
Nitrogen N
Fluorine F
Sodium Na
Magnesium Mg
Aluminum Al
Manganese Mn
Iron Fe
Copper Cu
Arsenic As
Bromine Br
Iodine I
Mercury Hg
Lead Pb
Calcium Oxide (Quick Lime) CaO
Calcium Carbonate CaO3
Carbon Dioxide CO2
Carbon Acid H2CO3
Sodium Chloride (Salt) NaCl
Created by: jeffwhite