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SAT Subject Test: Chemistry Vocab

Subjects : sat, science, chemistry
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. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group






2. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures






3. The process of separation of a solution by diffusion through a semipermeable membrance






4. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together






5. A reaction in which two chemical substances exchange ions with the formation of two new compounds






6. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products






7. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)






8. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor






9. Organic compound containing the -O- group






10. Having definite molecular or ionic structure






11. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4






12. Nuclear reactor in which more fissionable material is produced than is used up during operation






13. Capable of being drawn into a thing wire






14. A liquid that will conduct and electric current






15. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other






16. Graduated glass tube into which gases are placed and subjected to an electric spark; measures the individual volumes of combining gases






17. A chemical action in which both heat and light are given off






18. The process of forming definitely shaped crystals when water is evaporated from a solution of the substance






19. A relatively weak force of attraction between polar molecules; a component of van der Waals forces






20. Shorthand method of showing the changes that take place in a chemical reaction






21. Usually - a strong base - such as Sodium hydroxide - potassium hydroxide






22. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities






23. A change by which an element takes the place of another element in a compound






24. The smallest amount of fissionable material that will sustain a chain reaction






25. Heat content of a chemical system






26. The process whereby gases or liquids intermingle freely of their own accord






27. Solid carbon dioxide






28. E=mc2 - relates mass to energy






29. Capacity to do work






30. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones






31. Determines how a substance will behave in a chemical reaction






32. Process for converting atmospheric nitrogen into compounds






33. The numerical expression of the relative strength with which the atoms of an element attract valence electrons to themselves; the higher the number - the greater the attraction






34. Temperature scale that has 32 as freezing point and 212 as boiling point






35. Temperature measured on the absolute scale - which has its origin at absolute zero






36. The electrode in an electrolytic cell that is negatively charged and attracts positive ions






37. Depositing a thin layer of metallic element on the surface of another metal by electrolysis






38. A bond between atoms involving two electron pairs - unsaturated






39. High=speed - negatively charged electrons emitted in radiations






40. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens






41. A substituent obtained from a saturated hydrocarbon by removing one hydrogen atom -Examples: methyl(CH3) ethyl(C2H5)






42. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2






43. Referring to a compound composed of two elements such as water






44. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material






45. The number of molecules in 1 gram-molecular volume of a substance - or the number of atoms in 1 gram-atomic mass of an element 6.02 x 10(-27)

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46. The measure of disorder in a system






47. Ethyl alcohol that has been poisoned in order to produce a cheaper alcohol for industrial purposes






48. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms






49. A substance used to remove the excess chlorine in the bleaching process






50. Chemical reaction between an alcohol and an acid - in which an ester is formed