Types of Reactions

What precipitate forms when you mix lead (II) nitrate with sodium chloride?

• sodium nitrate 
• lead (II) chloride 
• sodium lead
• chloride nitrate 

A neutralization reaction will always produce...

• water & salt
• water
• salt
• water & carbon

For an investigation a student poured a blue solution of CuSO₄ into a beaker. The student placed a shiny, silver-colored strip of zinc metal in the solution and observed the changes.
The student inferred that a chemical reaction occurred. What evidence supports this inference?

• A dark solid formed on the zinc metal.
• 
  The zinc metal remained silver-colored and shiny
• The CuSO₄ solution turned blue when the zinc metal was added.
• None of these

Tags

NGSS.MS-PS1-2

The reactants are on the left side of the chemical equation.

• True
• False

Tags

NGSS.MS-PS1-5

How can you tell if something is an acid, base or salt?

• use an indicator

• taste it

• mix it with water

• add food coloring

Breaking down a substance into simpler substances

• Displacement
• Synthesis
• Decomposition
• Oxidation

An acid reacts with a metal carbonate to produce 

• Salt, water and hydrogen gas
• Salt, water and carbon dioxide
• Limewater
• Salt and water 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

An acid reacts with metal to produce 

• Carbon dioxide 
• Hydrogen gas
• Hydrogen gas and water 
• Salt and hydrogen gas 

What type of reaction is the following: 
HCl  + Zn --> ZnCl₂ + H₂

• Neutralisation
• Acid and a metal 
• Acid and a carbonate 
• Ionic 

To protect iron against corrosion, the most durable metal plating on it, is:

• Zinc plating
• Nickel plating