Acid Base Reactions

A neutralization reaction will (almost) always produce...

• water & salt

• water

• salt

• water & carbon

Tags

NGSS.MS-PS1-5

Identify the salt in the following equation:
Zn(OH)₂ + HNO₃   ---> H₂O  + Zn(NO₃)₂

• Zn(OH)₂

• HNO₃

• H₂O

• Zn(NO₃)₂

If there is excess hydrogen ions, the solution will be...

• acidic

• basic

Zn(OH)₂ is an example of a...

• acid

• base

• salt

H₃PO₄ is an example of a ...

• acid

• base

• salt

If an acid has a pH of 1.4 will it be strong or weak?

• strong

• weak

At what pH is a solution neutral?

• 0

• 7

• 14

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

• Acid

• Base

• Neither (Neutral)

Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.

The substance in the beaker

• is a base.

• has a neutral pH.

• is an acid.

• does not have a pH.

Tags

NGSS.MS-PS1-2

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.

Tags

NGSS.MS-PS1-2