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Monache Stoichiometry Test Review

Authored by Amanda Driver

Chemistry

10th - 12th Grade

39 Questions

NGSS covered

Used 36+ times

Monache Stoichiometry Test Review
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this reaction: ____ HCN + ____ CuSO4 ---->____ H2SO4 + ____ Cu(CN)2

2,1,1,2
2,1,1,1
1,2,2,1
1,2,1,1

Tags

NGSS.HS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the equation is balanced, what will the coefficient on Oxygen gas?
Al + O2 → Al2O3

2
3
1
4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which satement is true?

When balancing a reaction, change the subscripts as needed. 
Chemical reactions do not follow the law of conservation of matter.
Products are written to the left of the arrow. 
The coefficient represents the number of molecules present.

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the following chemical reaction, how many hydroxide (OH) molecules are represented?
CoBr3+3CsOH-->  Co(OH)3+3CsBr

3
6
1
2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is a sign that a chemical reaction has occurred?

change in shape
melting
formation of a gas
dissolving

Tags

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When converting from the mass of a product to the mass of a reactant, the mass of the product is first converted to 

the mass of the reactant
moles of the reactant
moles of the product
mass of the product

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If 4.0 moles of  AgNOare used up, how many moles of Pb(NO3)2 are produced?
PbCl2 + 2AgNO3 → Pb(NO3)2 + 2AgCl

8.0 moles
2.0 moles
1.0 moles
4.0 moles

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