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L.R. Quiz 3/25/22

Authored by Hank Jordan

Chemistry

10th - 12th Grade

L.R. Quiz 3/25/22
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3CaCO3 + 2FePO4 --> Ca3(PO4)2 + Fe2(CO3)3


Assuming we start with 100 g of CaCo3 and 45 g of FePO4, identify the limiting reagent.

iron(V) phosphate

calcium carbonate

iron(III) phosphate

calcium(II) carbonate

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

CuCl2 + 2NaNO3 --> Cu(NO3)2 + 2NaCl


If 15.0 grams of CuCl2 react with 20 g of NaNO3, how much NaCl can be formed?

13.0 g of NaCl

98 g of NaCl

26 g of NaCl

17.4 of NaCl

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

CH4 + 2H2O --> CO+ 4H2
What is the limiting reactant when 20g CHreact with 15g H2O?

CH4
H2O
CO2
H2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

SO+ PCl--> SOCl+ POCl3
How much SOClis produced when 16.2g SOreact with 13.7g PCl5? 

7.87g
30.1g
26.4g
19.8g 

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

4NH+ 5O--> 4NO + 6H2O
How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen? 

0.37g
0.045g
1.35g
11.1g

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2 NaCl + Pb(NO3)2 --> 2 NaNO3 + PbCl2
 
How many grams of lead II chloride are produced from the reaction of 15.3 g of NaCl and 60.8 g of Pb(NO3)2

21.5g
51.1g
43.4g
36.4g

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use the equation 2 Al + 3 Cl2 ---> 2 AlCl3.  If 23 grams of aluminum and 34 grams of chlorine are reacted, identify the limiting reactant.

AlCl3
Cl2
Al

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