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TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 3||FULL COMPLETE||LATEST 2024
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TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 3||FULL COMPLETE||LATEST 2024
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ESTUDYTEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION
|| CHAPTERS 3||FULL COMPLETE||LATEST
### Water and Molecule Properties Multiple-Choice Quiz
1. **What is a polar molecule?**
a) A molecule that has an equal distribution of charge
b) A molecule that has an unequal distribution of charge
c) A molecule that is only positive
d) A molecule that is only negative
**✔✔ - ANSWER**: b) A molecule that has an unequal distribution of charge
2. **What is cohesion?**
a) Attraction between two different molecules
b) Attraction between two of the same molecules
c) Repulsion between molecules
d) Molecules staying apart
**✔✔ - ANSWER**: b) Attraction between two of the same molecules
3. **What is surface tension?**
a) The ability of a liquid to float
b) The force that breaks the surface of a liquid
c) The strength of bonds inside the liquid
d) The force needed to stretch or break the surface of a liquid
**✔✔ - ANSWER**: d) The force needed to stretch or break the surface of a liquid
4. **What is specific heat?**
a) The amount of energy needed to heat 1 gram of a substance by 1 degree Celsius
b) The amount of heat required to change a solid to a liquid
c) The heat needed to evaporate a liquid
d) The energy required to melt a substance
**✔✔ - ANSWER**: a) The amount of energy needed to heat 1 gram of a substance by 1 degree
Celsius
5. **What is temperature?**
a) A measure of heat energy
b) The average kinetic energy of molecules
c) The amount of potential energy in an object
d) The total energy in a body of matter
, ESTUDY
**✔✔ - ANSWER**: b) The average kinetic energy of molecules
6. **What is evaporative cooling?**
a) The process where molecules slow down
b) The surface cooling during evaporation
c) The process of heating a surface
d) When a liquid turns into a solid
**✔✔ - ANSWER**: b) The surface cooling during evaporation
7. **What is heat of vaporization?**
a) The heat required to freeze a liquid
b) The amount of heat a liquid absorbs to turn into gas
c) The heat needed to melt a solid
d) The energy needed to cool a gas into a liquid
**✔✔ - ANSWER**: b) The amount of heat a liquid absorbs to turn into gas
8. **What is a solvent?**
a) The substance being dissolved
b) A liquid that dissolves another substance
c) A mixture of two liquids
d) A solid that absorbs water
**✔✔ - ANSWER**: b) A liquid that dissolves another substance
9. **What is a hydrophilic substance?**
a) A substance that repels water
b) A substance that mixes with oil
c) A substance that is attracted to water
d) A substance that evaporates easily
**✔✔ - ANSWER**: c) A substance that is attracted to water
10. **What is a hydrophobic substance?**
a) A substance that does not dissolve in water
b) A substance that mixes with water
c) A substance that forms bonds with water
d) A substance that absorbs water quickly
**✔✔ - ANSWER**: a) A substance that does not dissolve in water
11. **What is molarity?**
a) The number of grams in a molecule
b) The concentration of molecules in a solid
c) The number of moles of solute per liter of solution
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