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. If you are given density and volume how do you find mass?






2. The visible spectrum ranges from ____ to _____






3. What is conserved in an inellastic collision?






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

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5. What does spatial resolution refer to?






6. What is the unit for Young's Modulus?






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






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






9. If you have longer wavelengths how is their freq and energy compared to shorter wavelengths?






10. What is the magnetic quantum number?






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






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






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






14. 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?






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






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






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






18. The electrical force on a particle depends on what?

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19. What kind of geometry is octahedral?






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






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






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






23. What is newton's second law?






24. When does red litmus paper turn blue?






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






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






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






28. What are the units of an electric field?






29. Strength of dispersion force increases with what?






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






31. How do you balance redox rxns?

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






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






34. Acetic acid is a ______ solvent






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






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






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






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






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






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






41. What is one faraday equal to?






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






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






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






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






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






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






48. 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?






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






50. Heat from friction comes from what?