Food Science: Ch 6 Ions

Front

Turns litmus blue

Back

Base

Front

Botulism will not grow at pH levels below 4.6.

Back

True

Front

A mole of one element always has the same mass of particles as a mole of another element.

Back

False

Tags

NGSS.HS-PS1-7

Front

Acids are substances that _____

Back

All of the above: are proton donors, contain more H+ than OH–, are sour in taste.

Front

Turns litmus red

Back

Acid

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a solution is, ranging from 0 (acidic) to 14 (basic), with 7 being neutral.

Front

What is an ion?

Back

An atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is the difference between strong and weak acids?

Back

Strong acids completely dissociate in water, while weak acids only partially dissociate.

Front

What is the role of pH in food preservation?

Back

pH affects microbial growth; lower pH levels inhibit the growth of many pathogens.

Front

What is a buffer solution?

Back

A solution that resists changes in pH when small amounts of acid or base are added.