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. Charged particles in motion constitute what? Freely moving charges are deflected by what? The curved path depends on what?






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






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






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






5. What is newton's second law?






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






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






8. What is conserved in an inellastic collision?






9. The basicity constant Kb measures what?






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






11. 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?






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






13. What kind of geometry is octahedral?






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






15. What is the spin projection quantum number?






16. In order to guarantee a non-zero spin how many electrons are needed?






17. What is the equation for pressure?






18. So if you are given an equation and it gives you the E^o for both side equations seen in the big equation - what do you do with them?






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






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






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






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






23. What are the units of an electric field?






24. Is the work done by air resistance - positive or negative?






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






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






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






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






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

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






31. Always remember that velocity has ____ and ____






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






33. What kind of metals react violently with water?






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

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35. When does red litmus paper turn blue?






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






37. Terminal voltage is provided to what?






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






39. 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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40. Why are bonds between H and another atom shorter compared to most?






41. 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?






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






43. Heat from friction comes from what?






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






45. The force on an electrical charge is what?






46. What is Newton's Universal Law of Gravitation?






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






48. The range of pH in which a color change takes place in a titration depends on what?






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






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