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

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






3. A plane mirror produces an image where?






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






5. So if you have a voltage of 1/4V it will be reduced by what? Thus what will be the equation for the terminal voltage?






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






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






8. What is the equation for a period (T)? What is the equation for angular velocity?






9. Young's modulus is a ________ for a material. What is it's ratio? What would a graph of it look like?






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






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






12. When looking at which combo of acids and bases will result in a solution with pH of 7 what do we look for?






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






14. If you are given a table of substances and are told to find which two show effect of molecular weight on melting point alone - which two substances should you look for?






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






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






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






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






20. The visible spectrum ranges from ____ to _____






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






22. An oxidation-reduction rxn that occurs spontaneously has what kind of E^o for the cell?






23. When does red litmus paper turn blue?






24. Nuclear masses can be approximated from what?

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






26. 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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27. Strength of dispersion force increases with what?






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






29. How do you balance redox rxns?

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30. If asked which electron configuration of an element is most stable which one do you choose?






31. Hydrogen has what kind of standard oxidation or reduction potential?






32. What is sublimation?






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






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






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






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






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






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






39. If both weight and bouyant force are dependent on g - that makes g independent of what?






40. 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?






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






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






43. What is the equation for work done?






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






45. How do you find wavelength if you known distance from adjacent crests and troughs?






46. What is the spin projection quantum number?






47. What do electrolytic techniques involve?






48. Beta decay is the emission of what? How do you know what it is the emission of?






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






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