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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. The measure of disorder in a system
Efflorescence
Flux
Denatured alcohol
Entropy
2. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2
Covalent bonding
Critical mass
Electrolytic cell
Deuterium
3. 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
Denatured alcohol
Amino acid
Effervescence
Activated Charcoal
4. 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
Fixation of nitrogen
Deuterium
Acid
Colloids
5. The temperature above which no gas can be liquefied - regardless of the pressure applied
Compound
Critical temperature
Esterification
Bonding
6. The minimum energy necessary to start a reaction
Equilibrium
Activation energy
Compound
Dehydrating agent
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)
Esterification
Boiling point
Anhydride
Catalyst
8. Separation of the ions of an ionic compound due to the action of a solvent
Emulsifying agent
Antichlor
Amorphous
Dissociation (ionic)
9. A. change from gas to liquid B. the combination of molecules without water
Control rod
Anhydrous
Condensation
adsorbtion
10. A cell in which electrolysis is carried out
Electrolytic cell
Allotropic forms
Basic anhydride
Electron volt
11. A relatively weak force of attraction between polar molecules; a component of van der Waals forces
Dissociation (ionic)
Boiling point
Atmosphere
Dipole-dipole attraction
12. A reaction in which two chemical substances exchange ions with the formation of two new compounds
Atomic number
Emulsifying agent
Double displacement
Double bond
13. Covalence in which both electrons in a pair come from the same atom
Equation
Electrolytic cell
Absorption
Coordinate covalence
14. A chemical action in which both heat and light are given off
Atomic mass
Alkaline
Ductile
Combustion
15. Ethyl alcohol that has been poisoned in order to produce a cheaper alcohol for industrial purposes
Atmosphere
Dehydrating agent
Denatured alcohol
Absorption
16. The energy needed to break a chemical bond and form a neutral atom
Endothermic
Element
Condensation
Bond energy
17. A terminal of an electrolytic cell
Chemical change
Chemical property
Analysis
Electrode
18. Chemical reaction between an alcohol and an acid - in which an ester is formed
Emulsifying agent
Esterification
Dialysis
Effusion
19. A substance that speeds up or slows down a reaction without being permanently changed itself
Amphoteric
Chain reaction
Catalyst
Deliquesence
20. A metallic oxide that forms a base when placed in water
Electroplating
Basic anhydride
Dialysis
Dew point
21. Chemical reaction that results in an absorption of heat
Brownian movement
Amine
Electrolyte
Endothermic
22. The point in a reversible reaction at which the forward reaction is occurring at the same rate as the opposing reaction
Equilibrium
Electrolysis
Anhydrous
Destructive distillation
23. Process of heating an organic substance - such as coal - in the absence of air to break it down into solid and volatile products
Cathode rays
Electrode
erg
Destructive distillation
24. High=speed - negatively charged electrons emitted in radiations
Ductile
Beta particles
Denatured alcohol
Alkaline
25. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4
Dehydrate
Activated Charcoal
Electronegativity
Acid salt
26. 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
Emulsifying agent
Barometer
Base
Chemical property
27. Nuclear reaction that releases energy because of the splitting of large nuclei into smaller ones
Anhydrous
Breeder reactor
Ductile
Fission
28. Process for converting atmospheric nitrogen into compounds
Alpha particles
Acid
Fixation of nitrogen
Electrode potential
29. A nonmetallic oxide that - when placed in water - reacts to form an an acid solution
Antichlor
Acidic anhydride
Decomposition
Alloy
30. A unit of heat; the amount of heat needed to raise the temperature of 1 gram of water 1 degree on the celcius scale
Avagadro's number
Calorie
chemistry
Empirical formula
31. Rod of certain metal such as cadmium - which controls the speed of the chain reaction by absorbing neutrons in a nuclear reactor
Condensation
Efflorescence
Chemical change
Control rod
32. The process of separating the ions in a compound by means of electrically charged poles
Bond energy
Atmosphere
Electrolysis
Enthalpy
33. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
Celsius scale
Anhydride
Electrolysis
Density
34. The process of separation of a solution by diffusion through a semipermeable membrance
Exothermic
Dialysis
Fallout
Destructive distillation
35. The series of radioactive elements starting with actinium - No. 89 - and ending with lawrencium - No. 103
Control rod
Actinide series
Ester
Basic anhydride
36. Particles larger than those found in a solution but smaller than those in a suspension
Effusion
Filteration
Colloids
Effervescence
37. The breaking down of a compound into two or more simpler substances
Atmosphere
Alcohol
Electrolyte
Analysis
38. Suspension of fine particles or droplets of one liquid in another - the two liquids being immiscible in each other; surrounded by an emulsifying agent
Emulsion
Chemical change
Esterification
Alloy
39. The mass per unit volume of a substance; mathematical formula D=m/V
Aldehyde
Amphoteric
Density
chemistry
40. 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
Destructive distillation
Decomposition
Chain reaction
Ductile
41. 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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42. E=mc2 - relates mass to energy
Decomposition
Cathode rays
Actinide series
Einstein equation
43. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group
Electron
Basic anhydride
Chemical property
Aldehyde
44. A bond between atoms involving two electron pairs - unsaturated
Filteration
Activated Charcoal
Double bond
Control rod
45. Top number on periodic table - The number of protons in the nucleus - The number of electrons in an atom
Atomic number
Flux
Ether
Exothermic
46. Containing no water
Empirical formula
Barometer
Anhydrous
Double displacement
47. The average mass of a number; bottom number on the element
Critical mass
Atomic mass
Aromatic compound
Deliquesence
48. Heat content of a chemical system
Enthalpy
Chemical property
Electrode
Covalent bonding
49. 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
erg
Fallout
Base
eudiometer
50. Organic compound containing the -O- group
Ether
Crystallization
Electron
Chain reaction