Sem 2 Chem SS Day 3 Quiz

Sem 2 Chem SS Day 3 Quiz

9th Grade

20 Qs

quiz-placeholder

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Sem 2 Chem SS Day 3 Quiz

Sem 2 Chem SS Day 3 Quiz

Assessment

Quiz

Chemistry

9th Grade

Medium

NGSS
HS-PS1-7, HS-PS1-5

Standards-aligned

Created by

E Wheeler

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molar mass of C6H12O6?

180.18
180.12
180.24
180.06

2.

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

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

N2 +  3H2 → 2NH3 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?

6
2
3
1

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

For the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the Ratio of moles of MgO to moles Fe?

3mol Mg / 2 mol Fe
2 mol Mg/ 3 mol Fe
1 mol Fe/ 2 mol Fe
3 mol MgO / 2 mol Fe

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?

13.7 mol
2.75 mol
6.11 mol
6.85 mol

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The limiting reactant

slows the reaction down
is used up first
is the reactant that is left over
controls the speed of the reaction

7.

MULTIPLE CHOICE QUESTION

5 mins • 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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