Chemical Reactions and Replacements

Chemical Reactions and Replacements

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Sophia Harris

FREE Resource

The video tutorial explains the chemical reaction between zinc and copper(II) chloride, highlighting the process of counting atoms on each side of the equation to ensure it is balanced. It describes the reaction as a single displacement where zinc replaces copper, resulting in zinc chloride and copper. The video concludes by noting that the equation is already balanced and discusses the coefficients involved.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial chemical equation discussed in the video?

Zn + CuCl2

Cu + ZnCl2

Zn + Cl2

Cu + Zn

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many chlorine atoms are present on the reactant side of the equation?

Four

Three

Two

One

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction is demonstrated when zinc replaces copper in the compound?

Synthesis

Double displacement

Single displacement

Decomposition

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product formed when zinc replaces copper in copper(II) chloride?

Zinc oxide

Zinc chloride

Copper chloride

Copper oxide

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the coefficients for the balanced equation discussed in the video?

2, 1, 2, 1

1, 2, 1, 2

2, 2, 2, 2

1, 1, 1, 1