chm rxns quiz

Identify the type of chemical reaction (a)  

• Synthesis
• Decomposition
• Single replacement
• Double replacement
• Combustion

Identify the following chemical reaction.

3 HBr + 1 Al(OH)₃ ----> 3 H­₂O + 1 AlBr₃

• Synthesis (or combination)

• Decomposition

• Single displacement

• Double displacement

This pictures simulates what type of reaction?

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

compound ---> element + element

• synthesis

• decomposition

• combustion

• single replacement

Which of the following is a reactant in the following equation?

O₂ + C₆H₁₂O₆ > CO₂ + H₂O

• CO₂

• H₂O

• O₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What types of reactions absorb and release heat?

• acidic and basic
• endothermic and exothermic
• endothermic and heat transfusion
• covalent and ionic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

A change in the shape of an object is an example of _________________.

• a chemical change
• energy
• an endothermic change
• a physical change

Tags

NGSS.MS-PS1-4

If you combine two substances in a beaker at room temperature and the beaker feels cold to the touch, it means that the substances:

• have not reacted with each other
• have undergone an endothermic reaction
• have undergone a physical change
• have undergone an exothermic reaction

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

• 2

• 3

• 5

• 6

• 8

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which of the following substances are SOLUBLE (dissolved) in water?

​ ​ Al_(s) + ​ ZnCl_{2 (aq)} → ​ Zn_(s) + ​ AlCl_{3 (aq)}

• Al

• ZnCl₂

• Zn

• AlCl₃