Classification of Matter Flashcards

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Questions and Answers

What type of matter is Concrete?

Pure substance & element

Pure substance & compound

Mixture & homogenous (correct)

Mixture & heterogeneous

What type of matter is Sugar + water?

Pure substance & compound

Mixture & heterogeneous

Mixture & homogenous (correct)

Pure substance & element

What type of matter is Iron fillings (Fe)?

Pure substance & compound

Pure substance & element (correct)

Mixture & homogenous

Mixture & heterogeneous

What type of matter is Limestone (CaCO3)?

Pure substance & compound Signup and view all the answers

What type of matter is Orange juice (w/ pulp)?

Mixture & heterogeneous Signup and view all the answers

What type of matter is the Pacific Ocean?

Mixture & homogeneous Signup and view all the answers

What type of matter is Air inside a balloon?

Mixture & homogeneous Signup and view all the answers

What type of matter is Aluminum (Al)?

Pure substance & element Signup and view all the answers

What type of matter is Magnesium (Mg)?

Pure substance & element Signup and view all the answers

What type of matter is Acetylene (C2H2)?

Pure substance & compound Signup and view all the answers

What type of matter is Tap water in a glass?

Mixture & homogeneous Signup and view all the answers

What type of matter is Soil?

Mixture & heterogeneous Signup and view all the answers

What type of matter is Pure water (H2O)?

Pure substance & compound Signup and view all the answers

What type of matter is Chromium (Cr)?

Pure substance & element Signup and view all the answers

What type of matter is Chex mix?

Mixture & heterogeneous Signup and view all the answers

What type of matter is Salt + pure water (NaCl + H2O)?

Mixture & homogeneous Signup and view all the answers

What type of matter is Benzene (C6H6)?

Pure substance & compound Signup and view all the answers

What type of matter is Muddy water?

Mixture & heterogeneous Signup and view all the answers

What type of matter is Brass (Cu mixed with Zn)?

Mixture & homogeneous Signup and view all the answers

What type of matter is Baking soda (NaHCO3)?

Pure substance & compound Signup and view all the answers

Study Notes

Mixtures

Mixtures can be classified as homogeneous or heterogeneous.
Homogeneous mixtures have a uniform composition throughout, such as concrete and sugar dissolved in water.
Examples of homogeneous mixtures include:
- Concrete
- Sugar mixed with water
- Pacific Ocean
- Air inside a balloon
- Tap water in a glass
- Salt dissolved in pure water (NaCl + H2O)
- Muddy water
- Brass (copper mixed with zinc)
Heterogeneous mixtures consist of different components that are not uniformly distributed, such as:
- Orange juice with pulp
- Soil
- Chex mix

Pure Substances

Pure substances can be classified as elements or compounds.
Elements are substances that cannot be broken down into simpler forms, including:
- Iron fillings (Fe)
- Aluminum (Al)
- Magnesium (Mg)
- Chromium (Cr)
Compounds are chemical combinations of two or more elements in fixed proportions, examples include:
- Limestone (CaCO3)
- Acetylene (C2H2)
- Pure water (H2O)
- Benzene (C6H6)
- Baking soda (NaHCO3)

Summary

Understand the distinction between homogeneous and heterogeneous mixtures, as well as between pure substances and their classifications.
Familiarity with practical examples helps in categorizing matter accurately.
Recognition of common compounds and elements is essential for scientific understanding and application.

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Description

Test your knowledge on the classification of matter with these flashcards. Explore definitions and examples of mixtures, pure substances, elements, and compounds. Perfect for chemistry students looking to reinforce their understanding.