QSE 1 Review

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What is relative density?

Back

Relative density is a measure of how dense a substance is compared to the density of water. It helps in determining whether an object will float or sink in water.

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What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent, such as water, to form a solution.

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What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

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What is a solution?

Back

A solution is a homogeneous mixture where one substance (solute) is dissolved in another (solvent), such as sugar in water.

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What is the physical state of matter?

Back

The physical state of matter refers to the distinct forms that different phases of matter take on, primarily solid, liquid, and gas.

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What is magnetism?

Back

Magnetism is a property of certain materials that allows them to attract or repel other materials, typically metals.

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How can mixtures be separated?

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Mixtures can be separated using various methods such as filtration, straining, evaporation, or using a magnet.

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What is an example of a homogeneous mixture?

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An example of a homogeneous mixture is lemonade, where the ingredients are evenly mixed and not distinguishable.

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What is an example of a heterogeneous mixture?

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An example of a heterogeneous mixture is a fruit salad, where the individual components remain distinct.

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What is the difference between a mixture and a pure substance?

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A mixture contains two or more substances that can be separated, while a pure substance has a uniform and definite composition.