Chemistry for Biology

Water shares its electrons unequally. It has a positive and negative end. This is called

• adhesion

• cohesion

• surface tension

• polarity

What is an attraction between like substances called?

• adhesion

• surface tension

• cohesion

• polarity

Tags

NGSS.HS-ESS2-5

Molecules being attracted to a substance of a different type is called ____________

• adhesion

• cohesion

• polarity

• surface tension

In a solution the substance that dissolves another substance

• solute

• solvent

• acid

• base

If 5 grams of coffee is dissolved in 100 ml of water, what is the solute?

• coffee

• water

Tags

NGSS.MS-PS1-2

A substance that increases hydrogen ions in a solution

• acid

• base

• buffer

• solvent

What is the pH of a base?

• above 7

• below 7

• 7

What is a substance that prevents a change in pH?

• acid

• base

• buffer

• solven

What is the ability to change or move matter called?

• a chemical reaction

• a bond

• energy

• an enzyme

Tags

NGSS.HS-PS3-2

What is the substance an enzyme works on called?

• acid

• base

• substrate

• active site