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. What is the equation for pressure?






2. What is the spin projection quantum number?






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






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






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






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






7. What is usually conserved over oscillation periods?






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






9. 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?






10. The boiling point of a solution is what type of property? Which means is depends only on what?






11. At the moment of explosion of an object - what is its momementum? Why? After an explosion what is the total momentum carried by all the fragments?






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






14. Heat from friction comes from what?






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






16. 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?






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






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






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






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






21. The Ksp for a substance of AaBb is what?






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






23. What is weight equal to?






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

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






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






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






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






29. If you have circuit elements in parallel what is the same across them?






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






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






32. When does red litmus paper turn blue?






33. Beta decay is the same as what?






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






35. What is the magnitude of the electric field produced by a point charge?






36. In Bohr model of atom when is energy emitted?






37. What kind of charge is on Al?






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






39. What does spatial resolution refer to?






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






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






42. What is the magnetic quantum number?






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






44. What is different between an inclined plane and free fall?






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

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46. 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?






47. The basicity constant Kb measures what?






48. The square root of 10^anything is equal to what?






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






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