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

10 questions Chem.

10 QUESTIONS FOR CHEM. TEST Carol-Ann Copeland

Question for TestAnswers to questions
_____ Na + _____ H2O --> _____ NaOH + ____ H 2 Na + 2 H2O ---> 2 NaOH + 2 H
What does the pH scale measure? How neutral, acidic or basic solution is.
The lower the pH the ______ the acid. Stronger/More acidic
What are three ways to identify an acid. Sour taste, reaction to metals like zinc and reaction with bases.
What occurs in a chemical equation? Change in color, change in shape, formation of a precipitate, formation of a gas.
What does the arrow stand for in a chemical equation? Yield or produce.
What are reactants? Substances that are changing in a chemical equation.
What are the four physical properties we use to help identify substances? Boiling Point, Melting Point, Density and Color.
What is the boiling point for pure water at sea level? 100 degrees Celsius or 212 degrees Fahrenheit
Explain how "change in size or shape" is a physical change. The size or shape is changing but not the composition of the substance.
Created by: jcason65