About Us  |  Links

1. What is the SI unit for mass?

2. Which of these is a mixture?
Uranium Table Salt (NaCl) Iron Steel Water

3. Which of these has a negligible mass?
Protons Neutrons Electrons Atoms None of these

4. Convert 236 torr to atm.
Answer:

5. How many significant figures: 0.00580200
Answer:

Name:
E-mail:


Last 15 Challengers
*

news | about us | contact us
tutorials index | organic chemistry | practice tests | online quizzes | reference tools
site copyright (c) 2002 to neopages.com

privacy policy