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






2. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope






3. Science concerned with the compositions of substances and the changes that they undergo






4. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups






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






6. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group






7. 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)






8. A chance that alters the atomic structures of the substances involved and results in different properties






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






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






11. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure






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






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






14. The difference in potential between an electrode and the solution in which it is immpesed






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






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






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






18. An organic salt formed by the reaction of an alcohol with an acid






19. Chemical reaction that results in the giving off of heat






20. 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






21. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution






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






23. The rapid escape of excess gas that has been dissolved into a liquid






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






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






26. A substance that speeds up or slows down a reaction without being permanently changed itself






27. Process for converting atmospheric nitrogen into compounds






28. A. change from gas to liquid B. the combination of molecules without water






29. Substance that takes water from another substance






30. 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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31. Forms of the same element that differ in their crystalline structures






32. A terminal of an electrolytic cell






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






34. The minimum energy necessary to start a reaction






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






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






37. Negatively charged particle - Mass is 9.109x10(-28)






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






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






40. Organic compound containing the -O- group






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






42. Capacity to do work






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






44. An instrument used to measure the amount of heat liberated or absorbed during a change






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






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






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






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






49. E=mc2 - relates mass to energy






50. The adhesion (in an extremely thing layer) of the molecules of gases - of dissolved substances - or of liquieds to the surfaces of solid or liquid bodies with which they come into contact