Single Replacement Reactions in Chemistry

Single Replacement Reactions in Chemistry

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains single replacement reactions, focusing on reactions between metals and acids. It demonstrates an experiment with magnesium and hydrochloric acid, showing the formation of hydrogen gas and magnesium chloride. The mechanism involves electron transfer from magnesium to hydrogen ions, resulting in the release of hydrogen gas. The video concludes with key points about single replacement reactions, emphasizing the role of metals and the formation of ionic compounds.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reactions are focused on in this unit?

Double replacement reactions

Synthesis reactions

Single replacement reactions

Combustion reactions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is observed when magnesium is added to hydrochloric acid?

Color change

Bubbling

Temperature decrease

Formation of a solid

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In single replacement reactions, what does the metal replace?

Hydrogen

Oxygen

Nitrogen

Chlorine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do single replacement reactions differ from double replacement reactions?

They involve two ionic compounds

They involve a pure element and an ionic compound

They produce water

They require a catalyst

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to electrons during the reaction between magnesium and hydrochloric acid?

They remain unchanged

They are transferred from magnesium to hydrogen

They are lost by hydrogen

They are gained by magnesium

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What gas is produced in the reaction between magnesium and hydrochloric acid?

Hydrogen gas

Chlorine gas

Nitrogen gas

Oxygen gas

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of magnesium after the reaction?

Negative one

Neutral

Positive one

Positive two

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