Chapter 12: Chemistry – Flashcards
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ability of wood to burn
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Example of a chemical property
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silicone
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A special type of oil used in water-resistant lubricants for the skin
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98
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There are _______ naturally occurring elements?
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cation
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An ion with a positive electrical charge is called a
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surfactant
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A ___ is a substance that allows oil and water to mix, or emulsify.
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glycerin
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Which of the following is an oily substance used as moisturizer in skin and body creams?
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semisolid mixtures
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Ointments, pastes, and pomades are
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physical mixture
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A ___ is a physical combination of matter in any proportions.
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pure substance
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A chemical combination of matter in definite (fixed) proportions is called a
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solution
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A stable physical mixture of two or more substances is a
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suspension
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A _____ is an unstable physical mixture of undissolved particles in a liquid.
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two or more atoms of the same element in definite proportions
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An elemental molecule is a molecule containing
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water
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When acids and alkalis are mixed together in equal proportions, they form
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lye
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Sodium HYDROXIDE, commonly known as _____, is a very strong alkali used in chemical hair relaxers, callous softeners, and drain cleaners.
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3 years
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When stored under ideal conditions, a properly
