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. The electrons emitted from cathode are replaced with what?






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






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






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






5. Terminal voltage is provided to what?






6. Heat from friction comes from what?






7. What does the empirical formula show?






8. 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?






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






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






11. If temperature arises during a mixture what can you conclude about the enthalpy?






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






13. Acetic acid is a ______ solvent






14. When does red litmus paper turn blue?






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






16. In Bohr model of atom when is energy emitted?






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






18. What if the circuit elements are in series?






19. What energy conversion describes best what takes place in a battery-powered resistive circuit?






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






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






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






23. What is one faraday equal to?






24. Can a catalyst shift equilibrium?






25. An alpha particle can also be assumed to be what element? What is the mass number of Helium?






26. How do you find specific gravity of an object?






27. What do electrolytic techniques involve?






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






29. What kind of charge is on Al?






30. What does spatial resolution refer to?






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






32. What is sublimation?






33. The basicity constant Kb measures what?






34. How many mL is in one liter?






35. If you are told to find the maximum number of NiCo3 that can form how do you do that?


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






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






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






39. What is the unit for Young's Modulus?






40. How do you find 'g' from Newton's law of gravity?






41. The equivalence pt is what part of the titration curve? Thus looking at the range of change between the pH values along this part of the graph can tell you what?


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






43. Isotopes have diff number of ______ but same what?






44. Strength of dispersion force increases with what?






45. Young's modulus is a ________ for a material. What is it's ratio? What would a graph of it look like?






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






47. As a balloon rises in a tank of water what happens to the temperature inside it? Why would this happen?






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


49. What is the formula for the power supplied by a battery to accelerate an electron beam?






50. What is newton's second law?