Chemistry Spring Final Review

The formula of copper(II) oxide is

• CuO

• Cu₂O

• CuO₂

The formula of magnesium chloride is

• MgCl

• MgCl₂

• MgCl₃

The name of Cu(OH)₂ is

• copper hydroxide

• copper(I) hydroxide

• copper(II) hydroxide

What is the formula for Lead II Phosphate?

• Pb₃(PO₃)₂
• Pb₃(PO₄)₂
• Pb₂PO₄
• Pb₂P

What is the formula for Aluminum Chlorate?

• NH₄ClO₃
• NH₄ClO₂
• AlClO₃
• Al(ClO₃)₃

Which is the name of the kind of solid substance formed in this figure?  

• aqueous 
• precipitate
• acid
• synthesis 

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

• combustion
• decomposition 
• synthesis 
• single replacement

Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas this happens because? 

• Magnesium is higher on the reactivity series then hydrogen
• magnesium is more reactive than hydrogen
• magnesium is able to break the bond between HCl and form MgCl₂
• both b and c are correct

Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?

• double replacement 
• decomposition 
• combustion 
• single replacement

What are the correct coefficients when this equation is balanced?
KClO₃  --> KCl  +  O₂

• 2,2,2
• 2,2,3
• 1,2,3
• 3,3,3