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






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






3. The visible spectrum ranges from ____ to _____






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






5. What does the empirical formula show?






6. Equivalent mass is what?






7. How do you find what is the limiting reagent? You can then use the moles of the limiting reagent to calculate what?






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






9. What is the formula for the power supplied by a battery to accelerate an electron beam?






10. Terminal voltage is provided to what?






11. Friction is caused by what?






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






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






14. Acetic acid is a ______ solvent






15. Neither N2 or O2 have a permanent what? What does this mean?






16. 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?






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






18. Beta decay is the same as what?






19. Nuclear masses can be approximated from what?

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






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






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






23. How do you balance redox rxns?

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24. What is the amt of energy that a frictional force generates?






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






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






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






28. How should the period of a waveform be calculated?






29. What is the net result on a nucleus when you absorb a deuturon and emit a neutron?






30. The basicity constant Kb measures what?






31. The freezing point of an aqueous solution is what kind of property? What does this mean?






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






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






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






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






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






37. Heat from friction comes from what?






38. When you are trying to calculate a galvanic cell's emf - what do you look at?






39. 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?






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






41. What is the equation for work done?






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






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






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






45. The total pressure of a solution is what? Give example.






46. 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?






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






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






49. The coefficient of static friction is the ratio of what?






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