Water

Beschreibung

AS Level LEFELAU A (Lefelau A) Quiz am Water, erstellt von Jozzii am 02/03/2015.
Jozzii
Quiz von Jozzii, aktualisiert more than 1 year ago
Jozzii
Erstellt von Jozzii vor mehr als 9 Jahre
12
1

Zusammenfassung der Ressource

Frage 1

Frage
Which end of a H2O molecule has a slight negative charge?
Antworten
  • Oxygen end
  • Hydrogen end

Frage 2

Frage
What kind of bond is formed when two water molecules are within close contact of one another?
Antworten
  • Ester
  • Phosphodiester
  • Hydrogen
  • Glycosidic

Frage 3

Frage
Cohesion is the sticking together of water molecules. It is not strong as the hydrogen bonds are very weak.
Antworten
  • True
  • False

Frage 4

Frage
Water attracts polar molecules.
Antworten
  • True
  • False

Frage 5

Frage
Water has....
Antworten
  • A low specific heat capacity
  • A high latent heat of vaporisation
  • A high surface tension
  • A maximum density at 6 degrees
  • Hydrogen bonds

Frage 6

Frage
Hydrogen bonds are formed when two water molecules are close together and their opposite charges attract each other. This weak attraction forms the hydrogen bond between the neighbouring molecules.
Antworten
  • True
  • False

Frage 7

Frage
At what temperature does water reach its maximum density?
Antworten
  • 1 degrees
  • 3 degrees
  • 4 degrees
  • 5 degrees
  • 6 degrees
  • 8 degrees

Frage 8

Frage
Which of the following are examples of where water is important in transport.
Antworten
  • In the phloem
  • In the transpiration stream
  • During active transport
  • In blood
  • During digestion

Frage 9

Frage
Surface tension allowed the surface film of the standing water to support aquatic insects.
Antworten
  • True
  • False

Frage 10

Frage
A small amount of heat energy is required for a rise in the temperature of water.
Antworten
  • True
  • False
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