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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 is different between an inclined plane and free fall?






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






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






4. The closer the spacing of the anode wire - the better one can specify what?






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






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






7. 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?






8. Beta decay is the same as what?






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






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






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






12. What are the three separate module for tensile stress - shear stress - and compression/expansion?

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13. Friction is caused by what?






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






15. What is the equation for pressure?






16. How many mL is in one liter?






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






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






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






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






21. What is usually conserved over oscillation periods?






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






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






24. What kind of charge is on Al?






25. Strength of dispersion force increases with what?






26. 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?






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






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






29. In a galvanic and electrolytic cell - reduction of an ion occurs where? Oxidation of an ion occurs where?






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






31. The concentration of OH and H30 ions are approximately equal at what pH?






32. When you are trying to find the buyoancy force of water on a lead object what density do you use in the equation B = pVg? what volume?






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






34. Can a catalyst shift equilibrium?






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






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






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






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






39. For a given flow rate - the speed of fluid flow is inversely proportional to what?






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

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41. 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?






42. What is sublimation?






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






44. In a healthy person standing at rest - a comparison of arterial blood pressure measured in the arm with that in the leg - shows what about the differences between these pressures?






45. Equivalent mass is what?






46. What is the spin projection quantum number?






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






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






49. The basicity constant Kb measures what?






50. 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?