15 Questions
What makes water a polar molecule?
The greater electronegativity of the oxygen atom
What is responsible for the surface tension of water?
Cohesion due to hydrogen bonding
Why does water rise in a narrow glass tube when lowered into a beaker of water?
Adhesion to the glass surface
What characteristic of water allows insects to glide atop the surface instead of sinking?
High surface tension
What is responsible for the polarity of the water molecule?
The electronegativity of the oxygen atom
What causes water to adhere to any substance with which it can form hydrogen bonds?
Polarity of water
What is the primary reason for the high surface tension of water?
The cohesion of water molecules
Why do insects glide atop the surface of water instead of sinking?
The high surface tension of water due to hydrogen bonding
What causes the water to rise in a narrow glass tube when lowered into a beaker of water?
The adhesion of water to the glass surface, drawing it upward
What characteristic of the water molecule makes it attracted to other polar molecules?
The electronegativity of the oxygen atom
What is the primary reason for the cohesive property of water?
The electronegativity of the oxygen atom in the water molecule
Why does an insect glide atop the surface of water instead of sinking?
The high surface tension of water
What causes the water to rise in a narrow glass tube above the level of the water in a beaker?
The adhesive property of water to glass
What characteristic of water allows it to be attracted to other polar molecules?
The electronegativity of the oxygen atom in the water molecule
What is responsible for the high surface tension of water?
The electronegativity of the oxygen atom in the water molecule
Test your knowledge about the vital role of water in biology with this quiz. Learn about the molecular structure of water and its cohesive properties.
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