SNC2D Chem Test2 review

What type of reaction occurs between an element and a compound?
Zn + 2HCl --> ZnCl₂ + H₂

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

What kind of reaction is this:
2H₂ + O₂ --> 2H₂O

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

What kind of reaction is this:
4Fe  +  3O₂ →   2Fe₂O₃ 

• Synthesis
• Decomposition
• Single Replacement 
• Double Replacement

What kind of reaction is this:
Fe + CuSO₄ -> Cu + FeSO₄

• Double Replacement
• Decompostion
• Single Replacement
• Combustion

Tags

NGSS.MS-PS1-2

An element plus additional element reacts to form one product is an example of which type of chemical reaction? 

• combustion
• decomposition 
• synthesis 
• single replacement

Which type of reaction can be recognized by the general pattern?
A + BC--> AC + B

• Decomposition
• Combustion
• Single Replacement
• Double Replacement

Predict the products for the this reaction:
K + HCl --> 

• KCl + H₂
• KHCl 
• KH + Cl₂
• KCl + H

Tags

NGSS.HS-PS1-2

In a combustion reaction, the products are ALWAYS...

• Hydrogen peroxide
• Carbon Dioxide and Water
• Sodium Bicarbonate
• Sodium Chloride

Which side of a chemical equation is the product side?

• Left (before the yields sign)
• Right (after the yields sign)

Which problem is balanced?

• PbO₂ + 2H₂--> H₂SO₄
• SO₂ + H₂0 --> H₂SO₄
• 2Na + 2H₂O --> 2NaOH + H₂
• 2Na + 2H₂O --> 2NaOH + H

Tags

NGSS.HS-PS1-7