Food Science Ch. 7 Water

Front

What are the three types of contaminants found in water?

Back

Biological, chemical, and physical contaminants.

Front

What is water activity?

Back

The water available to support enzyme activity.

Front

What type of bonds are formed within a water molecule?

Back

Polar covalent bonds.

Front

How do impurities in water affect its characteristics?

Back

Impurities can change the physical and chemical characteristics of water.

Tags

NGSS.MS-PS1-2

Front

What is the boiling point of water at sea level?

Back

100°C.

Tags

NGSS.MS-PS1-4

Front

What is the significance of water activity in food science?

Back

It indicates the availability of water for microbial growth and enzyme activity.

Tags

NGSS.MS-LS2-1

Front

What is the difference between biological and chemical contaminants in water?

Back

Biological contaminants include microorganisms, while chemical contaminants include substances like pesticides and heavy metals.

Front

How does temperature affect the solubility of substances in water?

Back

Generally, higher temperatures increase the solubility of solids in water.

Tags

NGSS.MS-PS1-4

Front

What role does water play in food preservation?

Back

Water activity affects microbial growth; lower water activity can inhibit spoilage.

Front

What is the pH level of pure water?

Back

The pH level of pure water is 7, which is neutral.