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






2. Terminal voltage is provided to what?






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






4. What is usually conserved over oscillation periods?






5. What is sublimation?






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






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






8. What if the circuit elements are in series?






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






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






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






12. Friction is caused by what?






13. When something is falling what is the force acting on it? Thus what would be the work done?

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14. If both weight and bouyant force are dependent on g - that makes g independent of what?






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






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






17. 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?






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






19. The electrons emitted from cathode are replaced with what?






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






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






22. Half-sine wave shape is what kind of wavelength with regards to length?






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






24. The coefficient of static friction is the ratio of what?






25. What do electrolytic techniques involve?






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






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






28. In order to increase the kinetic energy of electrons - they must be what?






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






30. What kind of metals react violently with water?






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

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32. 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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33. When is a body in translational equilibrium?






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






35. What is the magnetic quantum number?






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






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






38. 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?






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






40. In a rxn - how do you figure out which atom has the highest electron affinity?






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






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






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






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






45. What is conserved in an inellastic collision?






46. If the equation says that the E^o has (-) voltage when being reduced - but it is being oxidized in the problem - what does the voltage then become?






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






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






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






50. The freezing point of an aqueous solution is what kind of property? What does this mean?