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POST QUIZ

Authored by Test Student

Chemistry

10th - 12th Grade

NGSS covered

Used 1+ times

POST QUIZ
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a limiting reactant?

the reactant that determines how much product can be made
the reactant that is in excess
the product that you can make the most of
the amount of reactants that react with each other

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You need 2 pieces of bread, 1 tablespoon of peanut butter and 2 tablespoons of jelly to make a sandwich.  If you have 10 pieces of bread, 4 tablespoons of peanut butter and 20 tablespoons of jelly, what is the limiting reactant?

bread
jelly
peanut butter
sandwich

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In this image, what are the information in red is called the_______.

Product
Reactant
Chemical Subscript
Yield

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In this image, what are the information to the right of the arrow (in black) is called the_______.

Product
Reactant
Chemical Subscript
Yield

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from  6 moles H2

4 moles Fe
6 moles Fe
9 moles Fe
2 moles Fe

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the limiting reactant if 10 moles of NH3  react  with 30.0 moles of NO?
4NH3+6NO --> 5N2 + 6H2O

NH3
NO
N2
water

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.

1.16%
116%
85%
76%

Tags

NGSS.HS-PS1-7

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