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Phys Science

Test Question Practice

QuestionAnswerf
What is the viscosity of a product? Resistance To Flowing
What type of mixture is sand and water? Heterogeneous or Homogeneous Mixture. Heterogeneous Mixture
If you put sugar in warm water and the sugar dissolves then what type of homogeneous mixture is this? Solution
What is any characteristic of a material that can be observed or measured without changing the composition of the substances in the material? Physical Property
What is any ability to produce a change in the composition of matter? Chemical Property
The amount of a material's ability to burn an object is what? Flammability
What type of change is happening when the food in your stomach is digested? Chemical Changed
Is the melting of gold a physical or chemical change? Physical Change
When water goes from a liquid to a gas is that physical or chemical change? Chemical Change
What is the difference between an element and a compound? A compound contains two or more joined elements. A element has a fixed composition and contains only one atom.
What does a pure substance do? Its composition stays the same?
Who suggested that we use symbols to classify elements on the Periodic Table? Jons Berzelius
What is suspension? A heterogeneous mixture that separates into layers over time.
What is solution? When a substance dissolves and forms a homogeneous mixture.
What is a colloid? It contains particles that are intermediate in size between the small particles in a solution and the large particles in a suspension.
What are some examples of a physical property? Viscosity, Conductivity, Malleability, Hardness, Melting Point, Boiling Point.
What is an example of a chemical property? Color
When can chemical properties be observed? Only when the substances in a sample of matter are changing into different substances.
What is one element extremely high in reactivity? Oxygen
What is one element extremely low in reactivity? Nitrogen
Created by: GoldenBoy
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