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WorksheetsBCS 2.1.3 water and sugars
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What type of bond holds water molecules together in ice?
a)
Covalent bond
b)
Hydrogen bond
c)
Ionic bond
d)
Van der Waals bond
e)
-
2.
Which property of water allows it to resist temperature changes effectively?
a)
High specific heat capacity
b)
Low boiling point
c)
Low surface tension
d)
High polarity
e)
-
3.
What property of water is responsible for the meniscus formation in a graduated cylinder?
a)
Adhesion
b)
Cohesion
c)
Surface tension
d)
Capillarity
e)
-
4.
When water vaporizes, it absorbs a large amount of heat without a significant temperature increase. What is this phenomenon called?
a)
Specific heat capacity
b)
Latent heat of vaporization
c)
Boiling point
d)
Freezing point
e)
-
5.
What is the heat energy required to raise the temperature of 1 gram of water by 1 degree Celsius?
a)
1 calorie
b)
1 joule
c)
1 kilocalorie
d)
1 kilojoule
e)
-
6.
What is the primary type of bond between the oxygen and hydrogen atoms within a water molecule?
a)
Covalent bond
b)
Hydrogen bond
c)
Ionic bond
d)
Van der Waals bond
e)
-
7.
In which state (solid, liquid, or gas) is water at its most dense?
a)
Liquid
b)
Solid (Ice)
c)
Gas
d)
It remains the same density in all states
e)
-
8.
What happens to water molecules when they freeze (turn into ice)?
a)
They form a hexagonal lattice due to hydrogen bonding
b)
They break apart into individual molecules
c)
They become denser
d)
They evaporate into the air
e)
-
9.
What type of bond forms when two monosaccharides (simple sugars) are joined together?
a)
Glycosidic bond
b)
Peptide bond
c)
Phosphodiester bond
d)
Hydrogen bond
e)
-
10.
Which disaccharide is composed of one glucose molecule and one fructose molecule joined by a glycosidic bond?
a)
Sucrose
b)
Lactose
c)
Maltose
d)
Galactose
e)
-
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