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Test your basic knowledge |
SAT Subject Test: Chemistry Vocab
Start Test
Study First
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. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Displacement
Activated Charcoal
Fixation of nitrogen
Control rod
2. Nuclear reactor in which more fissionable material is produced than is used up during operation
Breeder reactor
Allotropic forms
Dew point
Boiling point
3. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Acid salt
Calorimeter
Flux
Fission
4. The minimum energy necessary to start a reaction
Activation energy
Analysis
Control rod
Enthalpy
5. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
Element
Effervescence
Barometer
Electrolysis
6. An organic salt formed by the reaction of an alcohol with an acid
Ester
Colloids
Cyclotron
Density
7. An organic hydroxyl compound formed by relacing one or more hydrogen atoms of a hydrocarbon with equal number of hydroxyl (OH) groups
Alcohol
Crystallization
Crystalline
Fixation of nitrogen
8. A substance that speeds up or slows down a reaction without being permanently changed itself
Electroplating
Equilibrium
Fallout
Catalyst
9. The process of forming definitely shaped crystals when water is evaporated from a solution of the substance
Crystallization
erg
Emulsion
Cathode
10. Temperature scale that has 32 as freezing point and 212 as boiling point
Atom
Activation energy
Activated Charcoal
Fahrenheit scale
11. A water wolution that contains an excess of hydroxide ions; a proton acceptor; a base turns litmus paper blue and neutralizes acids to form salts
Base
Endothermic
Compound
Atmosphere
12. Unit for expressing the kinetic energy of subatomic particles; the energy acquired by an electron when it is accelerated by a potential difference of 1 volt
Electron volt
Anion
Celsius scale
Alcohol
13. Particles larger than those found in a solution but smaller than those in a suspension
Effusion
distillation
Colloids
Double displacement
14. Depositing a thin layer of metallic element on the surface of another metal by electrolysis
Electroplating
eudiometer
Anhydride
Coordinate covalence
15. Shows only the simplest ratio of the number and kids of atoms
Deliquesence
Fission
Buffer
Empirical formula
16. 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
Atomic number
Electronegativity
distillation
Double bond
17. Absorbtion by a substance of water from the air - so that the substance becomes wet
Element
Deliquesence
Compound
Acid
18. A liquid that will conduct and electric current
Double bond
Endothermic
Electrolyte
Alloy
19. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom
Electrolytic cell
Atomic number
Covalent bonding
Entropy
20. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion
Dipole-dipole attraction
Activated Charcoal
Amphoteric
Colligative propery
21. A substance composed of elements chemically united in definite proportions by weight
Electron
Compound
Fallout
Alkaline
22. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material
Filteration
Energy
Anhydrous
Atomic mass
23. A metallic oxide that forms a base when placed in water
Element
Alkali
Basic anhydride
Bonding
24. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution
Acidic anhydride
Dipole-dipole attraction
chemistry
distillation
25. A chance that alters the atomic structures of the substances involved and results in different properties
Cathode rays
Denatured alcohol
Atomic mass
Chemical change
26. Determines how a substance will behave in a chemical reaction
Dehydrating agent
Emulsifying agent
Acidic anhydride
Chemical property
27. Referring to a hydroxide that may have either acidic or basic properties - depending on the substance with which it reacts
Equilibrium
Electrolyte
Chain reaction
Amphoteric
28. Covalence in which both electrons in a pair come from the same atom
Double displacement
Ether
Fission
Coordinate covalence
29. Solid carbon dioxide
Decomposition
Amino acid
Cathode rays
Dry ice
30. 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)
Chain reaction
Anhydride
Anion
Density
31. One of the building blacks matter is composed of - only one type of atom; cannot be further decomposed
chemistry
Element
Acid salt
Chain reaction
32. Separation of the ions of an ionic compound due to the action of a solvent
Dissociation (ionic)
Equilibrium
Empirical formula
Base
33. The difference in potential between an electrode and the solution in which it is immpesed
Electrode potential
Combustion
Element
Alkali
34. The electrode in an electrolytic cell that is negatively charged and attracts positive ions
Cathode
Energy
erg
Chemical property
35. Capable of being drawn into a thing wire
Colloids
Deliquesence
Ductile
Electroplating
36. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
Cation
Anhydride
Einstein equation
Emulsion
37. Streams of electrons given off by the cathode of a vacuum tube
Cathode rays
Dialysis
Emulsifying agent
Colligative propery
38. Unit of energy done by 1 dyne (1/980 g of force) acting through a distance of 1 cm; 2.4 x 10 (-11) kcal
Analysis
Aldehyde
Crystalline
erg
39. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
Atmosphere
Deuterium
Chemical property
distillation
40. Substance that takes water from another substance
Alkali
Cathode rays
Dehydrating agent
Anhydrous
41. Chemical reaction that results in an absorption of heat
Fahrenheit scale
Effusion
Endothermic
Effervescence
42. A reaction produced during nuclear fission when at least one neutron from each fission produces another fission - so that the process becomes self sustaining without additional external energy
Electron volt
Chain reaction
Einstein equation
Calorimeter
43. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together
Critical mass
Alloy
Acidic anhydride
Ester
44. Chemical reaction between an alcohol and an acid - in which an ester is formed
Atomic radius
Einstein equation
Effusion
Esterification
45. The use of radioactive carbon-14 to estimate the ages of ancient materials - such as archaeological or paleontological specimens
Calorie
Acid
Carbon dating
Base
46. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Esterification
Effervescence
Aromatic compound
Covalent bonding
47. A change by which an element takes the place of another element in a compound
Critical mass
Emulsifying agent
Displacement
Activated Charcoal
48. 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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49. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Energy
Fission
Destructive distillation
Atomic number
50. 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
Absorption
Fixation of nitrogen
Amino acid
Emulsion