High School Acids & Bases

15 Points Per Correct Answer - No time limit  

1. What is an Arrhenius Acid? A substance which is water soluble A substance with a pH greater than 7 A substance which releases hydroxide ions in water A substance which releases hydrogen ions in water

2. Which of the following react with metals? Bases Any substance with a pH greater than 7 Both acids and bases Acids

3. What is the pH of water at 25 degrees c? 8 7 6 5

4. When you add pH to pOH you always get _________. Answer: (Two digit number)

5. What is an amphiprotic substance? A monoprotic base A substance that only exists in an aqueous form A substance that acts both as an acid and a base An organic acid

6. What does a strong base do in solution? it varies depending on the solutions contents causes the solution to become charged becomes fully ionized establishes an equilibrium

7. What is the range of pH for a acid? greater than 7 less than 7 0-7 7-14

8. What is an equivalence point? The point where mol H+ =mol OH- The point where a substance becomes neutral The point where an indicator changes colours All of the above

9. What is Kw? A buffer solution An element The ionization constant for water An alternative measurement scale for pH

10. What is a buffer solution? A solution that changes pH quickly A solution that resists pH changes A solution that measures pH Any basis solution