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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. Separation of the ions of an ionic compound due to the action of a solvent






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






3. A cell in which electrolysis is carried out






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






5. The breaking down of a compound into two or more simpler substances






6. An ion or particle that has a negative charge and thus is attracted to a positively charged anode






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






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






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






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






11. A device used to accelerate charged particles to high energies for bombarding the nuclei of atoms






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






13. Having no definite crystalline structure






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






15. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103






16. The process of taking up by capillary - osmotic - chemical - or solvent action - as a sponge absorbs water






17. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction






18. Covalence in which both electrons in a pair come from the same atom






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






20. Absorbtion by a substance of water from the air - so that the substance becomes wet






21. Chemical reaction that results in an absorption of heat






22. Organic compound containing the -O- group






23. A compound derived from another compound by the removal of water; it will combine with water to form an acid (acidic anhydride) or base (basic anhydride)






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






26. E=mc2 - relates mass to energy






27. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure






28. Streams of electrons given off by the cathode of a vacuum tube






29. Capacity to do work






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






31. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent






32. Residual radioactivity from an atmospheric nuclear test - eventually settles on the surface of the earth






33. The highest temperature at which water vapor condenses out of the air






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






35. Particles larger than those found in a solution but smaller than those in a suspension






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






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






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






39. An ion that has a positive charge






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






41. One of the "building blocks" of proteins; contains one or more NH2- groups that have replaced the same number of hydrogen atoms in an organic acid






42. Substance that takes water from another substance






43. A liquid that will conduct and electric current






44. A compound whose basic structure contains the benzene ring; it usually has an odor






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






46. The mass per unit volume of a substance; mathematical formula D=m/V






47. A metallic oxide that forms a base when placed in water






48. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale






49. A water solution that has an excess of hydrogen ions; an acid turns litmus paper pink or red - has a sour taste - and neutralizes bases to form salts






50. In metallurgy: a substance that helps to melt and remove the solid impurities as slag