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. 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?






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






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

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4. Heat from friction comes from what?






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






6. If you have circuit elements in parallel what is the same across them?






7. Kb is the equilibrium constant for what?






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






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






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






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






12. Terminal voltage is provided to what?






13. When does red litmus paper turn blue?






14. What is conserved in an inellastic collision?






15. The electrical force on a particle depends on what?

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






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






18. Always remember that velocity has ____ and ____






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






20. When an element decreases its atomic number by one what is emitted?






21. if lead is successively preciptated as PbSO4 - PbI - and PbCO2 - which is less soluble than which? Thus which anions will be precipitated first?






22. Strength of dispersion force increases with what?






23. What is the spin projection quantum number?






24. What is the net result on a nucleus when you absorb a deuturon and emit a neutron?






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






26. How do you balance redox rxns?

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






28. The force on an electrical charge is what?






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






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






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






32. Nuclear masses can be approximated from what?

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33. Equivalent mass is what?






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






35. The basicity constant Kb measures what?






36. When the source of a sound is flying away from you what happens to the wavelengths from peak to peak?






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






38. Pressure in a liquid is proportional to what? So why does this explain why blood pressure is greater in legs?






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






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






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






42. What kind of charge is on Al?






43. When is a body in translational equilibrium?






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






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






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






47. Beta decay is the same as what?






48. The volume of an object is equal to water?






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






50. What is the magnetic quantum number?