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18 Cards in this Set
- Front
- Back
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What is the law of conservation of mass?
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Volume changes and mass stays the same.
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What is solution?
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Homogeneous mixture of particles so small they cannot be seen and will NEVER settle
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What is hetergeneous mixture?
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mixture of which different materials can be easily distinguished
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Give an example of physical change?
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Orange squeezed to make orange juice.
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What is mixture?
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Any material of two or more substance that can be physically separated.
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What is a compound substance?
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a substance with TWO OR More elements combined in a fixed proportion
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What is homogeneous mixture?
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Mixture containing 2 or more gaseous liquid, or solid substances blended evenly throughout (SAME) ALSO CALLED SOLUTION.
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What is the law of conservation OF MASS?
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Mass of ALL substances present BEFORE a chemical change equals the mass of all substances AFTER the change.
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What is physical change?
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Change in a substance's size, shape, or state of matter
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What is colloid?
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Heterogeneous misture with larger particles that never settle; colloids scatter light in the TYNDALL EFFECT.
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These are examples of what: Sharpening a pencil,drawing copper into the wire , inflating a tire, boiling water (melting/freeezing).
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Physical Change
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These are examples of what flammability of a substance (burning)
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chemistry property
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These are examples of what:fragence of a flower, freezing point,
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Physical property
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These are examples what. formation of water when hydrogen burns, corrosion of bicycle frame (rust)
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Chemistry change
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When you squeeze and orange to make orange juice is an example of what?
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physical change
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What type of mixture are the following: chocolate chip ice cream, milk, smoke, vegetable soup
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Heterogeneous
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What type of mixture are the following: tap water
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homogeneous
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What is the only thing that changes during physical change?
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VOLUME is the ONLY change, MASS stays the same
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