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Which of the following statements about hardness is true?
Which of the following statements about hardness is true?Choose one:A. Calcite will scratch gypsum.B. Diamond has a Mohs hardness of 10 because it is 10 times harder than talc (hardness of 1).C. A copper penny will scratch fluorite.D. Apatite is harder than orthoclase.
The correct statement about hardness is calcite will scratchgypsum.The option (A) is correct.Calcite has ahigher hardnessthan gypsum, so it is equipped for scratching gypsum. The Mohs size of hardness is an overall scale going from 1 (mildest) to 10 (hardest), and calcite has a hardness of 3, while gypsum has a hardness of 2. Thusly,calcitecan scratch gypsum yet not the other way around.Mohs scaleis a scale that aids in deciding the hardness of a substance. It gives a succession of 1 to 10 in a scale structure. The lower the number the less hard is the minerals and the more the number the harder the minerals.Learn more aboutgypsum:brainly.com/question/18369612#SPJ4...
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