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 Universal Law of Gravitation?






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






3. If you are told to find the maximum number of NiCo3 that can form how do you do that?

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4. The force on an electrical charge is what?






5. 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?






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






8. What is the equation for work done?






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






10. How do you figure out the literature Ksp value of a compound?






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






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






13. If melting pt of a substance is 80 degrees - then what is the diff in time the substance melts when it is either placed in 100 degree test tube and 90 degree test tube?






14. What energy conversion describes best what takes place in a battery-powered resistive circuit?






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






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






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






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






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






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






21. Acetic acid is a ______ solvent






22. An oxidation-reduction rxn that occurs spontaneously has what kind of E^o for the cell?






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






24. When looking at which combo of acids and bases will result in a solution with pH of 7 what do we look for?






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






26. Terminal voltage is provided to what?






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






28. How do you balance redox rxns?

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






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






31. What do electrolytic techniques involve?






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






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






34. Heat from friction comes from what?






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






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






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






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






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






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






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






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






43. Can a charged particle be detected by two anodes?

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






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






46. 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?






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






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






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






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