Practical Water, pH and Enzyme Quiz practice

Cohesion is the property of water that allows water to .....

• stick to other substances

• get to the tops of tall trees

• stick to other water molecules

• be really wet

____means that water has a distinct positive and negative end

• cohesion

• adhesion

• polarity

Adhesion is the property of water that allows water to

• stick to other substances

• get to the tops of tall trees

• stick to other water molecules

• be really wet

Why is water the universal solvent

• it can dissolve a variety of different things

• because there is so much of it here on Earth

Which property of water is most responsible for plants being able to transport water from their roots to their leaves with other water molecules?

• the attraction between molecules

• a capacity (ability) to dissolve many substances

• the ability to form a low-denisty crystal structure when frozen

• capacity to absorb large amounts of energy as temperature increases

which numbers on the pH scale represent acids?

• 0-6

• 7

• 8-14

• any number below 0

Which of the following substances has a pH of 7

• bleach

• soda

• lemon juice

• pure water

What letter is the enzyme

• A

• b

• c

What letter is the substrate

• a

• b

• c

What letter is the Active Site

• a

• b

• c