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






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






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






4. Melting occurs at what type of temperature? Why?






5. When is a body in translational equilibrium?






6. If you have an alcohol with OH on the end and then another cmpd with an O in the middle but no H - what is different between the bonds they can make with water?

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7. What is the magnetic quantum number?






8. A plane mirror produces an image where?






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






10. What kind of metals react violently with water?






11. What is weight equal to?






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






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

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14. When a falling mass is at terminal speed - what is the power expended by the air resistance?






15. What is newton's second law?






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

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17. Terminal voltage is provided to what?






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






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






20. What is a metathesis rxn?






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






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






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






24. In PV=nRT - if temp increases what will happen to volume?






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






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






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






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






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






30. Strength of dispersion force increases with what?






31. What is sublimation?






32. What is one faraday equal to?






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






34. What is usually conserved over oscillation periods?






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






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






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






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






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

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






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






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






43. Nuclear masses can be approximated from what?

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






45. 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?






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






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

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






49. Acetic acid is a ______ solvent






50. What if the circuit elements are in series?