Question

Which of the following apply to the property of hardness. Select all that apply.

Hardness is determined through a complicated process that requires expensive instruments.
Hardness is a physical property.
Hardness is indicative of the strength of chemical bonds between elements.
Friedrich Mohs developed the standard hardness scale.
Diamond can scratch quartz.

Answer 1

The correct answers are options  B, D and E.

The property of hardness are:

Hardness is a physical property.

Friedrich Mohs developed the standard hardness scale.

Diamond can scratch quartz.

Mohs' scale of hardness is used to rate minerals with 1 being softest and 10 being hardest. Determination of hardness requires no expensive instrument. It is a physical property that is tested by scratching one substance over the surface of another.

Answer 2

Answer:

Hardness is a physical property

Friedrich Mohs developed the standard hardness scale.

Diamond can scratch quartz.

Explanation:

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