pH Review

What is pH ?

• Concentration of Hydrogen ions

• Concentration of ions

pH is measured on a scale from

• 0-7

• 5-10

• 0-14

• 7-14

pH of 7 has/is

• more alkaline

• more acidity

• neutral

What is the ideal pH level for your blood?

• 7.35

• 4.50

• 7

• 0

Tags

NGSS.HS-LS1-3

Is it better for your body to be alkaline or acidic?

• Alkaline

• Acidic

If the pH of a substance is low, reactions are

• cool and slow.

• hot and fast.

• slow and hot.

• cool and fast.

Tags

NGSS.HS-PS1-5

In our society, are we more likely to be fast and hot or slow and cold?

• Fast and hot

• Slow and cold

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An acidic solution has a

• higher concentration of hydrogen ions than hydroxide ions

• higher concentration of hydroxide ions than hydrogen ions

• equal concentration of hydrogen ions and hydroxide ions

A basic ( alkaline ) solution has a

• higher concentration of hydrogen ions than hydroxide ions

• equal concentration of hydroxide ions and hydrogen ions

• higher concentration of hydroxide ions than hydrogen ions

pH ash is metabolic waste. According to the acid-ash hypothesis, is alkaline ash or acid ash thought to be better?

• Alkaline ash

• Acid ash