Questions and Answers
What type of mixture is concrete?
What type of mixture is sugar and pure water?
What type of substance is iron filings?
What type of substance is limestone?
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What type of mixture is orange juice?
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What type of mixture is the Pacific Ocean?
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What type of mixture is air inside a balloon?
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What type of substance is aluminum?
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What type of substance is magnesium?
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What type of substance is acetylene?
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What type of mixture is tap water?
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What type of mixture is soil?
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What type of substance is pure water?
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What type of substance is chromium?
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What type of mixture is Chex Mix?
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What type of mixture is salt and pure water?
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What type of substance is benzene?
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What type of mixture is muddy water?
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What type of substance is brass?
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What type of substance is baking soda?
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Study Notes
Mixtures
- Concrete is classified as a heterogeneous mixture, due to its varying components.
- Orange juice is a heterogeneous mixture, as it contains pulp and juice that are not uniformly distributed.
- The Pacific Ocean is a heterogeneous mixture, due to its varied composition of water, salts, and other substances.
- Soil is a heterogeneous mixture, comprising various organic and inorganic materials.
- Chex mix is a heterogeneous mixture, featuring distinct components such as cereals, nuts, and seasonings.
- Muddy water is a heterogeneous mixture, with solid particles distributed unevenly throughout the liquid.
- Brass is a homogeneous mixture, as it is an alloy of copper and zinc that appears uniform throughout.
- Salt and pure water create a homogeneous mixture, resulting in a saltwater solution.
- Air inside a balloon is a homogeneous mixture, with gases evenly mixed.
Pure Substances
- Iron filings are considered a pure element, consisting solely of iron atoms.
- Aluminum is identified as a pure element, made entirely of aluminum atoms.
- Magnesium is a pure element, consisting only of magnesium atoms.
- Pure water is classified as a pure compound, with the chemical formula H2O, containing only hydrogen and oxygen.
- Limestone is a pure compound, primarily composed of calcium carbonate (CaCO3).
- Acetylene is recognized as a pure compound, known for its use as a fuel in welding.
- Benzene is identified as a pure compound with the chemical formula C6H6, commonly used in industrial applications.
- Baking soda is a pure compound, primarily consisting of sodium bicarbonate (NaHCO3).
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Description
Test your knowledge with these flashcards that classify substances as pure elements, compounds, or mixtures. Engage with terms like concrete, sugar-water, and more to differentiate between homogeneous and heterogeneous mixtures.
