Rate of Reaction (Colour) RP Video Quiz

Rate of Reaction (Colour) RP Video Quiz

11th Grade

10 Qs

quiz-placeholder

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Rate of Reaction (Colour) RP Video Quiz

Rate of Reaction (Colour) RP Video Quiz

Assessment

Interactive Video

Science

11th Grade

Hard

Created by

Leigh Francis

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective of the experiment described in the video?

To observe the color change in a reaction

To measure the temperature change during a reaction

To measure the rate of a chemical reaction

To determine the pH of a solution

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is produced when sodium thiosulfate reacts with hydrochloric acid?

A clear solution

A gas

An insoluble precipitate of sulfur

A soluble salt

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much sodium thiosulfate is initially measured out for the reaction?

40 cm³

60 cm³

10 cm³

50 cm³

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the concentration of the most concentrated sodium thiosulfate solution used in the experiment?

50 grams per decimeter cubed

40 grams per decimeter cubed

30 grams per decimeter cubed

20 grams per decimeter cubed

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of varying the concentration of sodium thiosulfate in the experiment?

To increase the volume of the solution

To observe the effect on the rate of reaction

To produce more sulfur

To change the color of the solution

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the concentration of sodium thiosulfate varied in the experiment?

By adding a catalyst

By heating the solution

By adding more hydrochloric acid

By diluting with distilled water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expected effect on the rate of reaction when the concentration of sodium thiosulfate is decreased?

The rate of reaction remains the same

The solution becomes clearer

The rate of reaction decreases

The rate of reaction increases

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