Acids and Bases Reactions

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

• water & salt

• water

• salt

• water & carbon

Tags

NGSS.MS-PS1-5

In a ____ reaction, an acid and a base produce a salt and a water. 

• concentrated

• decomposition

• dilute

• neutralization

Complete the following reaction:

• MgCl₂ + H₂O

• Mg +H₂O

• MgCl₂ + H₂

• MgCl₂ + H₂O + CO₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Complete the following reaction:

HNO₃ + Ca(OH)₂ -->

• Ca(NO₃)₂ + H₂O

• Ca +H₂O

• Ca(NO₃)₂ + H₂

• Ca(NO₃)₂ + H₂O + CO₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What might happen if you mixed a strong acid with an equally strong base?

• You would see an explosive chemical reaction.

• The acid would destroy the base.

• The base would destroy the acid.

• You'd wind up with a pH-neutral substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Acids form​ (a)   when mixed with water, and they taste ​ (b)   .

Bases form ​ (c)   when mixed with water, and they taste ​ (d)   .

• H+

• sour

• OH-

• bitter

Acids react with

• water to produce bases and salts

• salts to produce bases and water

• neither bases, salts nor water

• bases to produce salts and water

The pH of a weak acid would be:

• 1-2

• 5-6

• 8-9

• 12-13

Tags

NGSS.MS-PS1-2

Litmus paper can tell you if a solution is acidic, neutral or basic by changing color when placed in a solution.  If you test a base with litmus paper, it will turn ____________.

• red

• blue

Tags

NGSS.MS-PS1-2

Milk is a very weak acid. What might the pH value be?

• 6.5

• 7.8

• 4.2

• 12.2