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Assessment-Reactants and Products (Elliott Only)

Online Assessment
Instructions
1) Type in your first and last name in the “Name” box in the top-left corner.
2) Next type in your teacher’s name in the “ID” box.
3) Then type in your school’s full name in the “Email” box.
4) Select the best answer for each question.
5) When you are finished click the “Grade and Submit” button.
6) The grade will be emailed to your teacher.
 

 1. 
NOTE: This assessment is only for Mr. Elliott’s students.
---If you are not one of Mr. Elliott’s students then please go back to the website and click on the link for other teachers. Thanks!

A chemical equation is shown below.
2H2O ç 2H2 + O2
Which of the following choices is the product of this chemical reaction?
a.
Oxygen
c.
Hydrogen
b.
Water
d.
 H2
 

 2. 

A chemical equation is shown below.
2NaCl  +2H2O àCl2 + H2 + 2NaOH
Which substance is a reactant?
a.
Cl
b.
 NaOH
c.
H2
d.
NaCl
 

 3. 
A balanced chemical equation is shown below.
2PbO + 4NO2 + O2  à 2Pb(NO3)
The product in this equation is...?
a.
NO2
b.
Pb(NO3)2
c.
PbO
d.
O2
 

 4. 
The Statue of Liberty is made of copper (Cu). This metal changes to a light-green color when it reacts with oxygen (O) to form copper oxide (CuO).
mc004-1.jpg
4Cu + O2  mc004-2.jpg 2Cu2O
Which chemical formula is the product from the eqation shown above?
a.
O2
b.
Oxygen (O)
c.
Copper (Cu)
d.
2Cu2O
 

 5. 

A chemical equation is shown below.
2H2O ç 2H2 + O2
Which substance is a reactant?
a.
Water
c.
 H2O
b.
Hydrogen
d.
Dihydrogen Monoxide
 

 6. 
The formula below represents a chemical reaction.
AgNO3 (silver nitrate) + NaCl (sodium chloride)à AgCl (silver chloride) +NaNO3 (sodium nitrate)
Which substance is a product of this reaction?
a.
NaCl (sodium chloride)
c.
Ag (silver)
b.
AgCl (silver chloride)
d.
Na (sodium)
 

 7. 

A chemical equation is shown below.
mc007-1.jpg
The element zinc (Zn) can best be described as a...?
a.
gas
b.
mixture
c.
reactant
d.
compound
 

 8. 
When a rocket ship blasts off it is due to a powerful chemical reaction as shown below.
10Al + 6NH4ClO4 mc008-1.jpg 4Al2O3 + 12H2O + 3N2


mc008-2.jpg
Identify two products in this reaction.
a.
Al (aluminum) and O (Oxygen)
c.
H2O (water) and N (nitrogen)
b.
Al (aluminum) & NH4 (ammonium)
d.
Cl (Chloride) and O (Oxygen)
 

 9. 
Soured milk is the result of a chemical reaction. Below is the equation for this reaction.
mc009-1.jpg
mc009-2.jpg
Which of the following choices is the product of this chemical reaction?
a.
H2O
c.
CO2
b.
C12H22O11
d.
4C3H6O3
 

 10. 

Examine the following chemical reaction
Iron (Fe) reacts with Oxygen (O) to form iron oxide (FeO) which is commonly called rust.
2Fe + 3O2  mc010-1.jpg 2FeO3
Which chemical formula shown below is the product of this reaction?
a.
Iron (Fe)
b.
3O2
c.
Iron Oxide
d.
2FeO3
 



 
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