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 newton's second law?






2. 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?






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






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






5. What is sublimation?






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






7. How do you balance redox rxns?

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8. Half-sine wave shape is what kind of wavelength with regards to length?






9. What kind of geometry is octahedral?






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






11. Terminal voltage is provided to what?






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






13. What kind of metals react violently with water?






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






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






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

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17. What is a metathesis rxn?






18. 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?






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






20. 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?






21. A saturated solution of KNO3 means what? If you add salt that has any of these two ions what will happen? What is this called?






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






23. Strength of dispersion force increases with what?






24. What is usually conserved over oscillation periods?






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






26. What is weight equal to?






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






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






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






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






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






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






33. How many mL is in one liter?






34. 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?






35. What does spatial resolution refer to?






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






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






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

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






40. The visible spectrum ranges from ____ to _____






41. What happens if an atom undergoes positron decay or electron capture?






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






43. The volume of an object is equal to water?






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






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






47. Always remember that velocity has ____ and ____






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






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






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