Chemical Reactions Final Review

A substance that takes part in and undergoes change during a reaction

• Product

• Molecule

• Reactant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In the equation,          2Mg + O₂ ---> 2MgO, which are the reactants?

• Mg and O
• MgO
• Mg and MgO
• O and MgO

Tags

NGSS.MS-PS1-5

Which of the following models best demonstrates a balanced chemical equation?

• F
• G
• H
• J

Tags

NGSS.MS-PS1-5

What are Chemical Reactions?

• It's when you mix substances.
• a process in which atoms rearrange to form new substances
• When something bubbles.
• letter and numbers showing the types and number of atoms

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What type of reaction is illustrated below?
FeS + Hal --> H₂S + FeCl

• synthesis
• decomposition
• single replacement
• double replacement

Tags

NGSS.MS-PS1-2

Which of the following answers will balance the equation below?
__K + __Br₂ --> __KBr

• 2, 1, 1
• 2, 3, 2
• 2, 1, 2
• 1, 2, 3

Tags

NGSS.MS-PS1-5

What type of reaction is illustrated below?
2HI --> H₂  +  I₂

• synthesis
• decomposition
• single replacement
• double replacement

Tags

NGSS.MS-PS1-2

What type of reaction is illustrated below?

Zn + H₂S --> ZnS + H₂

• synthesis

• decomposition

• single replacement

• double replacement

Tags

NGSS.MS-PS1-2