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. What happens to the atomic number and atomic mass of an element that go under Beta decay or positron emission?






2. Kb is the equilibrium constant for what?






3. 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?






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






5. The force on an electrical charge is what?






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






7. What is one faraday equal to?






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






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






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






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






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






13. How should the period of a waveform be calculated?






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






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






16. The phase difference corresponding to a half wave is what? When do you get destructive interference?






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






18. The basicity constant Kb measures what?






19. What kind of metals react violently with water?






20. When does red litmus paper turn blue?






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






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






23. What do electrolytic techniques involve?






24. What type of acid and base would produce a pH closest to 7?






25. If you have longer wavelengths how is their freq and energy compared to shorter wavelengths?






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






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






28. What is the angular momentum quantum number (l)? It is the same as what? What does an S orbital appear to look like? What would it's (l) be?






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






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

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






32. What is newton's second law?






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






34. Can a catalyst shift equilibrium?






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






36. What is weight equal to?






37. What is the equation for pressure?






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






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






40. What is the magnitude of the electric field produced by a point charge?






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






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






43. Always remember that velocity has ____ and ____






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






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

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






47. Heat from friction comes from what?






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






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






50. Strength of dispersion force increases with what?