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






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






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






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






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

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6. Can a catalyst shift equilibrium?






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






8. 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?






9. 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?






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






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






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






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






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






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






16. How do you balance redox rxns?

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






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






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






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






21. What do electrolytic techniques involve?






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






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






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






25. What is weight equal to?






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






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






28. Kb is the equilibrium constant for what?






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






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






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






32. How do the final velocities differ if a sphere is dropped from a distance rather than rolled down an inclined plane?






33. F in the Young's modulus equation can also equal what? What is E?

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






35. Acetic acid is a ______ solvent






36. What is the amt of energy that a frictional force generates?






37. The equivalence pt is what part of the titration curve? Thus looking at the range of change between the pH values along this part of the graph can tell you what?

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38. What is conserved in an inellastic collision?






39. What is newton's second law?






40. Equivalent mass is what?






41. What is the equation for work done?






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






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






44. A plane mirror produces an image where?






45. What is the equation for bouyant force? What is p?






46. 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?






47. What kind of charge is on Al?






48. Why does light travel slower in an optically dense medium than through a vacuum?






49. 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?






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