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What Are Reversible Reactions?

What Are Reversible Reactions?

Assessment

Interactive Video

Science, Physics, Chemistry

6th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the difference between irreversible and reversible reactions, using the combustion of magnesium and the thermal decomposition of ammonium chloride as examples. It provides a step-by-step guide to conducting an experiment with ammonium chloride, highlighting safety precautions. The tutorial clarifies why the decomposition of ammonium chloride is not a sublimation reaction, emphasizing the difference between phase changes and chemical reactions.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of an irreversible reaction mentioned in the video?

Boiling water

Melting ice

Combustion of magnesium

Dissolving sugar in water

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key characteristic of reversible reactions?

They can only proceed in one direction.

They involve a permanent change in state.

The products can revert to the original reactants.

They require a catalyst to occur.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the experiment with ammonium chloride, what color does red litmus paper turn?

Green

Blue

Yellow

Red

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the thermal decomposition of ammonium chloride not considered a sublimation reaction?

It involves a change in temperature.

It results in the formation of new substances.

It does not involve a phase change.

It is a physical change, not a chemical one.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to ammonium chloride when it is heated in the experiment?

It melts into a liquid.

It remains unchanged.

It sublimes into gaseous ammonium chloride.

It decomposes into ammonia and hydrogen chloride.

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