Acid and base

If a substance has a pH of 10 it is considered

• Acidic
• Basic
• Neutral

Acids produce _________ ions when they break down or dissocciate. 

• Hydroxide (OH-)
• Water
• Chlorine (Cl-)
• Hydrogen (H+)

Tags

NGSS.MS-PS1-2

Bases release ____________ ions when they break down or dissociate. 

• Hydrogen (H+)
• Hydroxide (OH-)
• Chlorine (Cl-)
• no

Water is neutral because the number of hydrogen and hydroxide ions is _________.

• the same
• different

Tags

NGSS.HS-PS1-2

The pH scale ranges from ____________.

• 0-7
• 1-100
• 1-20
• 0-14

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

H₂C₂O₄

• carbonic acid
• chromic acid
• chloric acid
• oxalic acid

H₂SO₃

• sulfuric acid
• hydrosulfuric acid
• sulfurous acid
• persulfuric acid

chlorous acid

• HClO₃
• HClO₂
• HClO
• HCl

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1