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6 Cards in this Set
- Front
- Back
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Solutions
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Homogeneous and small enough not to be seen
Particles, ions,molecules,atoms Ex. Penny, Air, Salt+H2O |
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Colloids
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Appears to be Homogeneous
Particles are microscopic Milk, Jello |
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Suspensions
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Heterogenous with macroscopic particles
Chicken Soup, Salad Dressing, Sand+H2O+Salt |
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Mixture vs Compound
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Can all be sepereated by physical means while componds cannot
Compounds have a constant composition and mixtures do not EX. Compound= Water is always 88.8% O Mixture=Brass can range between 10-45% zinc |
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Material Used for Lab
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1)Filter Paper
2)Funnel 3)Clay Triangle 4)Graduated Cylinder |
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Physical vs Chemical Change
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Chemical change is at a molecular level and the substance changed. When it is phsyical it is still the same substance
Physical is reversible and chemical is not Physical change you have the same substance while chemical it is a totally new substance Water and sugar is a physical change because once the water is evaporated the sugar is still there |
