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U6 Chemical Reactions

Authored by Cindy J Byron

Chemistry

9th - 12th Grade

NGSS covered

Used 1+ times

U6 Chemical Reactions
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of the following models best demonstrates a balanced chemical equation?

F
G
H
J

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

For an investigation a student poured a blue solution of CuSO4 into a beaker. The student placed a shiny, silver-colored strip of zinc metal in the solution and observed the a dark solid formed on the zinc.

The student inferred that a chemical reaction occurred. What evidence supports this claim?

A dark solid formed on the zinc metal.

The zinc metal remained silver-colored and shiny

The CuSO4 solution turned blue when the zinc metal was added.

None of these

Tags

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

All of the following reactions are correctly balanced except-

A
B
C
D

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many Al atoms are in this compound? 4Al2O3

2

8

6

4

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify this type of reaction,

Cl2 + 2KBr --> Br2 + 2KCl

Synthesis

Single displacement

Double displacement

Decomposition

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction is this?

2 C5H5 + Fe --> Fe(C5H5)2

single displacement

double displacement

decomposition

synthesis

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of reaction is this?

NO2 →N2 + O2

Synthesis (combination)

Decomposition

Single replacement

Combustion

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