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A metal surface becomes dull because of continued abrasion. chemical or physical

A metal surface becomes dull because of continued abrasion. chemical or physical
asked 172k views
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A metal surface becomes dull because of continued abrasion. chemical or physical

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User Manolis Proimakis
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7 votes
Physical Change.....!!
answered
User Bryan Lewis
by
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User LImbus
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A metal surface becomes dull because of continued abrasion physical change or chemical
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