Chemical Reactions and Their Indicators in Everyday Life

Chemical Reactions and Their Indicators in Everyday Life

Assessment

Interactive Video

Chemistry, Science, Biology

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains chemical reactions, their indicators, and types. It covers single and double displacement reactions, synthesis, and combustion, providing examples and signs of each reaction type. The tutorial highlights how chemical reactions cause substances to change, forming new compounds, and discusses the observable signs like color change, precipitate formation, and temperature change.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key difference between a chemical reaction and a physical change?

Physical changes are irreversible.

Chemical reactions involve the rearrangement of atoms.

Chemical reactions do not involve energy changes.

Physical changes create new substances.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT an indicator of a chemical reaction?

Dissolving sugar in water

Change in temperature

Formation of a precipitate

Color change

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general form of a single displacement reaction?

A + BC → AC + B

AB → A + B

AB + CD → AD + CB

A + B → AB

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a single displacement reaction involving copper and silver nitrate, what is observed?

Silver precipitate forms and the solution turns blue.

The solution turns red.

Gas bubbles are produced.

The temperature decreases.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during a double displacement reaction?

A compound breaks down into simpler substances.

Cations and anions of two compounds exchange places.

An element replaces another in a compound.

Two elements combine to form a compound.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a special case of a double displacement reaction?

Decomposition reaction

Combustion reaction

Synthesis reaction

Acid-base reaction

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general form of a synthesis reaction?

A + B → AB

AB + CD → AD + CB

A + BC → AC + B

AB → A + B

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