Chapter 2 Chemistry test

What is the base unit for temperature

• F

• C

• K

• All of the above

True or False: The dependent variable goes along the X-axis

• True

• False

What variable is changed based on what you as the scientist changes?

• Independent

• Dependent

• Control

• Conclusion

How many sig figs are in the following number : 1,029,000

• 4

• 3

• 7

• 6

How many sig figs are in the following number: 0.000400

• 4

• 1

• 3

• 7

How many sig figs are in the following number : 100,000.

• 1

• 6

• 3

• None of the above

How many sig figs should be in the final answer: 102.2 + 12.250 + 1.02

• 3

• 4

• 5

• 12

How many sig figs should be in your final answer : 53 X 9 X10.2

• 1

• 2

• 3

• 6

Round the answer to 1 sig fig : 978

• 1

• 1000

• 900

• Answer not listed

Round this number to 3 sig figs : 0.002519

• 0.002

• 0.003

• 0.00251

• 0.00252