Rates of Reaction Unit 3 Quiz

Rates of Reaction Unit 3 Quiz

10th Grade

15 Qs

quiz-placeholder

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Rates of Reaction Unit 3 Quiz

Rates of Reaction Unit 3 Quiz

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

Katie Williams

Used 4+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between dilution and concentration mentioned in the text?

The more dilute it is, the more concentrated

The more dilute it is, the less concentrated

The more dilute it is, the more reactive

The more dilute it is, the less reactive

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two chemicals used in the disappearing cross experiment?

Sodium chloride and hydrochloric acid

Sodium thiosulphate and hydrochloric acid

Sodium bicarbonate and sulfuric acid

Sodium hydroxide and nitric acid

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is formed when sodium thiosulphate reacts with hydrochloric acid?

A clear solution

A cloudy yellow precipitate of sulphur

A blue solution

A red precipitate of iron

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What color is the precipitate formed in the disappearing cross experiment?

Blue

Red

Yellow

Green

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the disappearance of the cross indicate in the experiment?

The reaction has stopped

The reaction is complete

The reaction is ongoing

The reaction is slow

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the time taken for the cross to disappear?

It indicates the temperature of the reaction

It indicates the speed of the reaction

It indicates the pH of the solution

It indicates the volume of the solution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you observe and listen for after adding hydrogen peroxide solution to the boiling tube?

Color change

Temperature change

Bubbling

Precipitation

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