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Mystery Powders Lab Review
Mystery Powders Lab Review

Mystery Powders Lab Review - PowerPoint Presentation

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Mystery Powders Lab Review - Description

Table 1 Substance Powder A Powder B Powder C Powder D Unmixed White Powder White Powder White Powder White Powder Mixed w Water Forms white mixture Fizzing Dissolves Dissolves Mixed w Vinegar ID: 540612 Download Presentation

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change chemical property physical chemical change physical property react powder white color substance fizzing mixed dissolves properties tested formation definition forms powders

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Presentation on theme: "Mystery Powders Lab Review"— Presentation transcript

Slide1

Mystery Powders Lab ReviewSlide2

Table 1

Substance

Powder A

Powder B

Powder C

Powder D

Unmixed

White Powder

White Powder

White Powder

White Powder

Mixed w/ Water

Forms white mixture

Fizzing

Dissolves

Dissolves

Mixed w/ Vinegar

Forms white mixture

Fizzing

Lots of fizzing

Dissolves

Mixed w/ Iodine

Color change

Color change

Forms white mixture

Color change

Name of Substance

Cornstarch

Baking Powder

Baking Soda

Powdered SugarSlide3

Table 2

Substance

A

B

C

D

Mixed w/ Water

Property

React

React

Dissolves

Dissolves

Change

Chemical

Chemical

Physical

Physical

Mixed w/ Vinegar

Property

React

React

React

Dissolves

Change

Chemical

Chemical

Chemical

Physical

Mixed w/ Iodine

Property

React

React

React

React

Change

Chemical

Chemical

Chemical

Chemical Slide4

Lab Questions

How were all the unmixed substances similar to each other in terms of their physical properties?

In terms of their physical properties, all of the powders were similar because the powders were all white and very fine-grained.

What was the only physical property that you tested? What is the definition of this physical property?

The only physical property tested was solubility. The definition for physical property is a property that can be determined through the five senses.

What were the chemical properties you tested? What is the definition of this chemical property?

The chemical properties tested were color changes and “fizzing.” The definition for chemical property is a property that cannot be seen but rather within the chemical makeup of the substance. Slide5

Lab questions

Describe the difference between a physical change and a chemical change.

The difference between a physical change and a chemical change is a physical change does not result in a completely new substance, however a chemical change does

5. What clues did you see that indicated a chemical change?

The clues that indicated a chemical change were “fizzing” or a color change.

6. What does fizzing indicate the formation of?

Fizzing indicates the formation of a new substance through a chemical change.

7. What does a color change indicate the formation of?

A color change indicates the formation of a new substance through a chemical change.