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DSST Physical Sciences2

Subjects : dsst, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What if the circuit elements are in series?






2. If you are given a table of substances and are told to find which two show effect of molecular weight on melting point alone - which two substances should you look for?






3. What does spatial resolution refer to?






4. Can a charged particle be detected by two anodes?

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5. What happens to a negatively charged particle put between two parallel plates?






6. If any species is gotten rid of when combining two equations of chemical rxns together what can you conclude about those species?






7. What is the equation for bouyant force? What is p?






8. When you are trying to calculate a galvanic cell's emf - what do you look at?






9. Why are bonds between H and another atom shorter compared to most?






10. What is the principal quantum number (n)?






11. Why is it important that the materials used as scintillators are nearly transparent to the wavelength of light they emit?






12. What is one faraday equal to?






13. Neither N2 or O2 have a permanent what? What does this mean?






14. The phase difference corresponding to a half wave is what? When do you get destructive interference?






15. A plane mirror produces an image where?






16. The Ksp for a substance of AaBb is what?






17. What is the hybridization of oxygen in water and other oxygens similar to water with two bonds and two lone pairs of electrons?






18. What is newton's second law?






19. If you have a decrease of pressure to which side of the equation is it equilibrium shifted towards? What about if you increase temperature?

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20. What kind of geometry is octahedral?






21. A nearsighted person has what type of focal length? Thus what do we do to correct this?






22. What is the relationship between P and n in PV=nRT?






23. If the source of sound and the listener are traveling side by side at the same speed - what will the change in freq heard by the listener be?






24. The visible spectrum ranges from ____ to _____






25. In radioactive decay the atomic number (A) and mass number (Z) must what?






26. How do the final velocities differ if a sphere is dropped from a distance rather than rolled down an inclined plane?






27. How do you find length of time something is in flight? How do you find distance it traveled?






28. A floating ice cube implies that it's weight is balanced by what?






29. Hydrogen has what kind of standard oxidation or reduction potential?






30. The total pressure of a solution is what? Give example.






31. What is the magnetic quantum number?






32. F in the Young's modulus equation can also equal what? What is E?

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33. What is Newton's Universal Law of Gravitation?






34. How do you find the equiv capacitance of capacitors in series and parallel? What about if you are trying to find equivalent resistance?






35. What are the three separate module for tensile stress - shear stress - and compression/expansion?

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36. What is sublimation?






37. Kb is the equilibrium constant for what?






38. What does specific heat of a substance tell you? Thus what does a higher specific heat tell you?






39. What happens if an atom undergoes positron decay or electron capture?






40. The probability of an X-ray emission event at a given wavelength is measured by what?






41. The coefficient of kinetic friction is always lower than what? Therefore what?






42. What gas is evolved when copper is placed in a nitric acid (HNO3) solution? This is what type of rxn?






43. When a falling mass is at terminal speed - what is the power expended by the air resistance?






44. Beta decay is the same as what?






45. An oxidation-reduction rxn that occurs spontaneously has what kind of E^o for the cell?






46. Acetic acid is a ______ solvent






47. What is the law of conservation of linear momentum?






48. When is a body in translational equilibrium?






49. What is Avagadro's number regarding ions/mol?






50. If something is very toxic to a human - what Ksp value should it have for it to be the safest?