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Mohs scale of mineral hardness: Quiz

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Question 1: [5] As the hardest known naturally occurring substance when the scale was designed, ________ are at the top of the scale.
DiamondGarnetGoldPalladium

Question 2: [10] A streak plate (unglazed ________) has a hardness of 7.0.
Chinese ceramicsPotteryPorcelainSoft-paste porcelain

Question 3: It was created in 1812 by the German mineralogist Friedrich Mohs and is one of several definitions of hardness in ________.
Ceramic engineeringMaterials scienceMetallurgyPharmacology

Question 4: The Mohs scale of mineral hardness characterizes the scratch resistance of various ________ through the ability of a harder material to scratch a softer material.
MineralCarbonSolidCalcium







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