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Chapter 5: Properties of Materials
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Metals are strong and tough, iron is use for ....?
making bridge, hammer
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State two properties of nonmetals.
dull, brittle, low melting and boiling points, insulators, non-malleable, non-ductile
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what is an alloy?
a mixture of two or more metals or non-metals
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Which one of this is not a property of metals? a.brittle b.shiny c.good conductor of heat d.malleable
a. brittle
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State the process to separate salt in water.
Evaporation process.
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What is mean by ductile?
Can be drawn into wires.
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what is a process to separate a coffee bean from the water?
filteration
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what is the properties of the materials that allow you to separate them using a condenser?
boiling point
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What is mean by malleable?
Can be bent into shape.
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Give one different between metals and non-metals.
shiny-dull, good conductor-insulator, malleable-not malleable, ductile-non ductile, etc
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What is mean by sonorous?
A metal makes a ringing sound when hit
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Metals are good conductor of electricity. Name the metal used inside a wire.
Copper
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