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13-01-2021
Chemistry

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F. fluorite scratches limestone and gypsum
G. Gypsum scratches talc
H. Limestone scratches talc
J. Calcite scratches gypsum

F fluorite scratches limestone and gypsum G Gypsum scratches talc H Limestone scratches talc J Calcite scratches gypsum class=

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billgkgk billgkgk

04-02-2021

Answer:

J. Calcite scratches gypsum.

Explanation:

Since limestone and calcite have about the same hardness, either limestone or calcite can be used in the hardness test to identify the softer gypsum.

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