24 Questions
What property of water allows it to dissolve and dissociate many particles?
Polarity
What property of water helps in the regulation of temperature in the environment and in living organisms?
High heat capacity
What is the cause of capillary action in water?
Adhesion
What property of water allows it to protect cells from the effects of dangerous acids and bases?
Amphiprotic nature
What property of water makes it less dense as a solid?
Hydrogen bonds
What property of water allows it to dissolve polar substances?
Polarity
What is the measure of the compactness of a substance?
Density
What property of water is responsible for creating the smallest surface area possible?
Surface tension
What property of water allows it to help regulate the temperature in the environment and in living organisms?
High heat capacity
What property of water allows it to act as either an acid or a base?
Amphiprotic nature
What property of water is responsible for the high boiling point of water?
Hydrogen bonds
What property of water is responsible for the cooling effect during evaporation?
High heat of vaporization
What is the percentage of water in the human body?
Over 70%
What type of bonding does water molecules have?
Covalent bonding
What causes the bent structure of the water molecule?
The two lone pairs of electrons on the oxygen atom
What is the angle between the hydrogen atoms and the oxygen atom in a water molecule?
105 degrees
What type of charge does the oxygen atom in a water molecule have?
Partial negative
What type of forces attract polar molecules to one another?
Dipole-dipole forces
Which form of water is solid?
Ice
Which form of water is liquid?
Rain
Which form of water is gas?
Steam or water vapor
What is the composition of pure water in terms of color, taste, and odor?
Colorless, tasteless, and odorless
How much of the Earth's surface is covered by water?
Two-thirds
What makes water essential for life?
Its structure and properties
Test your knowledge about water structure, properties, and functions with this quiz. Learn about the molecular composition of water, its different forms, and its significance on Earth.
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