Respuesta :
Moji listed the solids in order of hardness as graphite < chalk < quartz. because his peer group suggested some experimental errors that may have caused this to happen. The experimental error most likely led Moji to the conclusion that Moji could have chosen hardness tests that were not reliable. Therefore the correct option is D.
What is the matter?
Anything which has mass and occupies space is known as matter, mainly there are four states of matter solid liquid gases, and plasma.
These different states of matter have different characteristics according to which they vary their volume and shape.
There are various tests to judge the mechanical hardness of any solid material such as the Rockwell hardness test, Brinell's hardness test,Vicker's diamond hardness test, and Knoop's hardness test which is also known as microhardness test
The experimental error most likely led Moji to the conclusion that Moji could have chosen hardness tests that were not reliable. Therefore the correct option is D.
Learn more about the matter here
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