Water

Jozzii
Quiz by Jozzii, updated more than 1 year ago
Jozzii
Created by Jozzii almost 6 years ago
7
1

Description

AS Level LEFELAU A (Lefelau A) Quiz on Water, created by Jozzii on 03/02/2015.

Resource summary

Question 1

Question
Which end of a H2O molecule has a slight negative charge?
Answer
  • Oxygen end
  • Hydrogen end

Question 2

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

Question 3

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

Question 4

Question
Water attracts polar molecules.
Answer
  • True
  • False

Question 5

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

Question 6

Question
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.
Answer
  • True
  • False

Question 7

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

Question 8

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

Question 9

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

Question 10

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