Test your basic knowledge |

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. Kb is the equilibrium constant for what?






2. Is the work done by air resistance - positive or negative?






3. So if you are given an equation and it gives you the E^o for both side equations seen in the big equation - what do you do with them?






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






5. What is the equation for a period (T)? What is the equation for angular velocity?






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






7. How do you find wavelength if you known distance from adjacent crests and troughs?






8. What type of acid and base would produce a pH closest to 7?






9. What would the force be of a block on a pulley? What would be its displacement?

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10. What kind of charge is on Al?






11. Why would a solution with unfilled orbitals be responsible for turning a solution a certian color?






12. The closer the spacing of the anode wire - the better one can specify what?






13. If you are given density and volume how do you find mass?






14. How do you balance redox rxns?

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






16. How do you figure out the literature Ksp value of a compound?






17. Does the temperature of a water bath or amount of water in a water bath determines if a substance melts?






18. A saturated solution of KNO3 means what? If you add salt that has any of these two ions what will happen? What is this called?






19. What is different between an inclined plane and free fall?






20. When looking at which combo of acids and bases will result in a solution with pH of 7 what do we look for?






21. Why does light travel slower in an optically dense medium than through a vacuum?






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






23. What kind of geometry is octahedral?






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






25. Regarding M(OH)2 and you have solubility (S) - what would the Ksp be?






26. What happens to the atomic number and atomic mass of an element that go under Beta decay or positron emission?






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






28. Acetic acid is a ______ solvent






29. Considering the answer in the last slide - what kind of a solution would have a lower freezing pt?






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

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31. The free energy change (G) must be negative when what?






32. What is usually conserved over oscillation periods?






33. The temperature of a metal will not increase above its melting point until what?






34. Always remember that velocity has ____ and ____






35. So if you have a voltage of 1/4V it will be reduced by what? Thus what will be the equation for the terminal voltage?






36. The square root of 10^anything is equal to what?






37. When you are trying to find the buyoancy force of water on a lead object what density do you use in the equation B = pVg? what volume?






38. If you have longer wavelengths how is their freq and energy compared to shorter wavelengths?






39. For a given flow rate - the speed of fluid flow is inversely proportional to what?






40. What are the units of an electric field?






41. What is one faraday equal to?






42. What direction do gravity and bouyancy work? What direction does water pressure work?






43. The boiling point of a solution is what type of property? Which means is depends only on what?






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






45. What is newton's second law?






46. What if the circuit elements are in series?






47. When does red litmus paper turn blue?






48. What is the amt of energy that a frictional force generates?






49. What does the empirical formula show?






50. 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?