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. The force on an electrical charge is what?






2. How do you find 'g' from Newton's law of gravity?






3. What is the magnetic quantum number?






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






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






6. Always remember that velocity has ____ and ____






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






8. What is weight equal to?






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






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






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






12. Regarding M(OH)2 and you have solubility (S) - what would the Ksp be?






13. 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?






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






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






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






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






18. 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?






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






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






21. How would you find rate of rxn from pH 1 to pH2?






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






23. Can a catalyst shift equilibrium?






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






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






26. When does red litmus paper turn blue?






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






28. The basicity constant Kb measures what?






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






30. What do electrolytic techniques involve?






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






32. What is conserved in an inellastic collision?






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






34. When is a body in translational equilibrium?






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






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






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






38. Light can be carried along a distance within a transparent material by means of what?






39. What kind of metals react violently with water?






40. Mechanical waves in a medium fxn to transport what?






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






42. Strength of dispersion force increases with what?






43. Acetic acid is a ______ solvent






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

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45. 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?






46. What is the equation for pressure?






47. Kb is the equilibrium constant for what?






48. In general what is formed by an acid-base rxn?






49. What if the circuit elements are in series?






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