Chemistry

Front

What is activation energy?

Back

The energy needed to start a reaction.

Front

What is adhesion in chemistry?

Back

Water sticking to other substances, like a straw or the roots of a plant.

Front

What class of organic compounds are bone, muscle, and hair made of?

Back

Protein.

Front

Give an example of a nucleic acid.

Back

DNA.

Front

In a solution of salt and water, what is the solvent?

Back

Water.

Front

What is cohesion in chemistry?

Back

The attraction between molecules of the same substance.

Front

What are carbohydrates primarily used for in the body?

Back

As a source of energy.

Front

What is the pH scale used for?

Back

To measure the acidity or alkalinity of a solution.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.