Reaction Prediction

The process of one or more substances changing into one or more new substances

• mixture

• solution

• physical change

• chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The formation of a new substance is

• Evidence that a chemical reaction has taken place

• An example of replacement but not of synthesis

• Evidence that a physical reaction has taken place

• an example of synthesis but not of decomposition

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Chemical properties are how substances will react with other substances.

• true

• false

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical property is how a substance will...

• dissolve in a liquid

• melt at a certain temperature

• react with another substance

• reflect light

Draw what could be one (of two) products in this chemical reaction: 

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a sign that a chemical reaction has occurred?

• Change in color

• Change in shape

• Change in size

• Change in texture

Tags

NGSS.MS-PS1-2

What is the product of the reaction between hydrochloric acid and sodium hydroxide?

• Sodium chloride and water

• Sodium and water

• Hydrochloric acid and sodium

• Chlorine gas and water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical reaction, the substances that undergo change are called:

• Products

• Reactants

• Catalysts

• Inhibitors

Tags

NGSS.MS-PS1-5

Which of the following reactions is an example of a synthesis reaction?

• @@ ext{A} + ext{B} ightarrow ext{AB}@@

• @@ ext{AB} ightarrow ext{A} + ext{B}@@

• @@ ext{AB} + ext{CD} ightarrow ext{AD} + ext{CB}@@

• @@ ext{AB} ightarrow ext{AC} + ext{B}@@

What type of reaction is represented by the equation: @@ ext{AB} ightarrow ext{A} + ext{B}@@?

• Synthesis

• Decomposition

• Single replacement

• Double replacement