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Assessment-Reactants and Products (Other Teachers)

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: If your teacher’s last name is Elliott, then you are doing the wrong assessment.
---This assessment is only for students of other teachers.
---If your teacher is Mr. Elliott, then please go back to the website and click on the first assessment link instead. Thanks!

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.
AgCl (silver chloride)
c.
Na (sodium)
b.
NaCl (sodium chloride)
d.
Ag (silver)
 

 2. 

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

 3. 
When a rocket ship blasts off it is due to a powerful chemical reaction as shown below.
10Al + 6NH4ClO4 mc003-1.jpg 4Al2O3 + 12H2O + 3N2


mc003-2.jpg
Identify two products in this reaction.
a.
Al (aluminum) & NH4 (ammonium)
c.
Cl (Chloride) and O (Oxygen)
b.
Al (aluminum) and O (Oxygen)
d.
H2O (water) and N (nitrogen)
 

 4. 

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

 5. 
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).
mc005-1.jpg
4Cu + O2  mc005-2.jpg 2Cu2O
Which chemical formula is the product from the eqation shown above?
a.
Oxygen (O)
b.
2Cu2O
c.
Copper (Cu)
d.
O2
 

 6. 
A balanced chemical equation is shown below.
2PbO + 4NO2 + O2  à 2Pb(NO3)
The product in this equation is...?
a.
O2
b.
NO2
c.
PbO
d.
Pb(NO3)2
 

 7. 

Examine the following chemical reaction
Iron (Fe) reacts with Oxygen (O) to form iron oxide (FeO) which is commonly called rust.
2Fe + 3O2  mc007-1.jpg 2FeO3
Which chemical formula shown below is the product of this reaction?
a.
2FeO3
b.
Iron (Fe)
c.
3O2
d.
Iron Oxide
 

 8. 
Soured milk is the result of a chemical reaction. Below is the equation for this reaction.
mc008-1.jpg
mc008-2.jpg
Which of the following choices is the product of this chemical reaction?
a.
4C3H6O3
c.
H2O
b.
C12H22O11
d.
CO2
 

 9. 

A chemical equation is shown below.
mc009-1.jpg
The element zinc (Zn) can best be described as a...?
a.
compound
b.
gas
c.
reactant
d.
mixture
 

 10. 

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



 
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