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a test for an allergic reaction in which a possible allergen is applied to a sratch area of skin.

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12y ago

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Hardness of ductile materials can be determined by following methods..... 1) Brinell Hardness Test 2)Vickers Hardness Test 3)Rockwell Hardness Test 4) Scratch hardness test


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What condition is diagnosed using a scratch test?

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What mineral is used to perform a scratch test?

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What is a scratch test more commonly known as?

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How can you determine hardness rate for minerals?

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