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WorksheetsWater properties Sec 2.2
Total questions: 20
Worksheet time: 10mins
What is the primary type of bond that gives water its unique properties?
Ionic bonds
Covalent bonds
Hydrogen bonds
Van der Waals bonds
Which property of water refers to water molecules sticking to each other?
Adhesion
Cohesion
Solution
Solvation
What is the term for a substance that dissolves another substance?
Solute
Solution
Solvent
Mixture
Which of the following best describes a solution?
Two liquids that don't mix
A mixture where one substance dissolves in another
Pure water alone
Water molecules breaking apart
What is the pH value for a neutral solution?
0
14
7
1
What term describes water molecules sticking to other surfaces?
Adhesion
Cohesion
Surface tension
Dissolution
In a solution, what is the substance being dissolved called?
Solvent
Solution
Solute
Base
Which end of the pH scale represents the most acidic solutions?
pH 14
pH 7
pH 0
pH 10
What characterizes a base?
High concentration of H+ ions
Low concentration of H+ ions
Neutral pH
Equal amounts of H+ and OH- ions
What property of water allows it to maintain stable temperatures?
Low specific heat
High specific heat
Low adhesion
High acidity
What makes water such a good solvent?
Its neutral pH
Its polarity
Its high temperature
Its color
Which side of the pH scale represents basic solutions?
Middle
Left side
Both sides
Right side
What happens to H+ ion concentration as pH increases?
It increases
It stays the same
It decreases
It fluctuates randomly
Why are hydrogen bonds important for life?
They make water toxic
They give water its unique properties
They make water acidic
They prevent solutions from forming
What is the primary component in any aqueous solution?
Acid
Base
Solute
Water
Which statement about acids is correct?
They have a pH above 7
They have more OH- than H+ ions
They have a high H+ concentration
They are always neutral
What range of pH is typically found in human cells?
Very acidic (0-2)
Slightly basic (7-8)
Very basic (13-14)
Highly variable (0-14)
Which property allows water drops to form beads on surfaces?
Adhesion
Surface tension
High pH
Low specific heat
What determines whether a substance is the solvent in a solution?
Its temperature
Its pH level
Its greater quantity
Its color
Which of the following is a characteristic of acids?
They taste bitter
They turn litmus paper blue
They produce H+ ions in solution
They have a pH of 8
