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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. In a healthy person standing at rest - a comparison of arterial blood pressure measured in the arm with that in the leg - shows what about the differences between these pressures?






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






3. What is one faraday equal to?






4. The number of incident photons on the cathode affect what?






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






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






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






8. How many mL is in one liter?






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






10. How do you find moles of a substance when you are given faradays and electrons?






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






12. Thus is Zn (which has positive oxidation potential) reacts with HCl - will any rxn take place?






13. The concentration of OH and H30 ions are approximately equal at what pH?






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






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

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






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






18. What color is above 656 nm?






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






20. What is the doppler equation for wavelength and frequency?






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






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






23. A cmpd with the lowest carbon to oxygen ratio will require how much oxygen for combustion?






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






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






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






27. The basicity constant Kb measures what?






28. If asked which electron configuration of an element is most stable which one do you choose?






29. If the standard potential for a rxn is negative when it is being reduced (thus a negative reduction potential) that means that the resulting atom has what?






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






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






32. Equivalent mass is what?






33. What kind of geometry is octahedral?






34. 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?






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






36. Acetic acid is a ______ solvent






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






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






39. What do electrolytic techniques involve?






40. What if the circuit elements are in series?






41. Charged particles in motion constitute what? Freely moving charges are deflected by what? The curved path depends on what?






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

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43. Always remember that velocity has ____ and ____






44. 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?






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






46. A plane mirror produces an image where?






47. What is sublimation?






48. 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?






49. If melting pt of a substance is 80 degrees - then what is the diff in time the substance melts when it is either placed in 100 degree test tube and 90 degree test tube?






50. What kind of charge is on Al?