acid bases and salts

Which is most acidic?

• milk
• Lemon Juice
• bleach

Tags

NGSS.MS-PS1-2

This image represents

• Neutralization reaction
• synthesis
• decompostion
• single displacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

An organic substance that changes color in the presence of an acid or base

• indicator
• inhibitor
• catalyst
• salt

Identify the conjugate base of HPO₄^2- in the following reaction:
HCO₃^- + HPO₄^2- --> H₂CO₃ + PO₄^3-

• H₂O
• HCO₃^-
• H₂CO₃
• PO₄^3-

The following  properties describe a(n) ____:
* feel slippery
*have a pH 7.1-14
*turn litmus blue

• acid
• base
• salt
• neutral ion

____ indicates the amount of acid or base that is dissolved in solution.

• Concentration
• Dilution
• Ionization
• Neutralization

Tags

NGSS.HS-PS1-5

Which of the formulas below represents hydronium ions?

• OH+
• OH-
• H3O+
• H3O-

Which of the following would be a weak base pH measurement?

• 2
• 8
• 5
• 11

Which of the following statements is correct?

• Blue litmus paper turns red when placed in a base.

• Red litmus paper turns blue when placed in a base.

• Blue litmus paper stays blue when placed in an acid.

• Red litmus paper stays red when placed in a base.

Which of the following is an acid?

• shampoo

• baking soda

• orange juice

• water