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1. mineral a scratches minerals e and i, but it can be scratched by mineral j.

2. mineral c can be scratched by every other mineral.

3. mineral e can scratch mineral i.

4. mineral f can scratch only mineral c.

5. mineral b can scratch mineral f, but it can be scratched by all the other minera

6. mineral h can scratch every other mineral.

7. mineral d can be scratched only by mineral h.

8. mineral g can be scratched by minerals hand d; it can scratch mineral j.

prentice-hall, inc.

H>D>G>J>A>E>I>B>F>C

H: DIAMOND

D: CORUNDUM

G: TOPAZ

J: QUARTZ

A: FELDSQUAR

E: APATITE

I: FLOURITE

B: CALCITE

F: GYPSUM

C: TALC

Explanation:

I found the full question on the test . Following is the complete answer

1. J>A>E and J>A>I

2. C is the softest. C is Talc

3. E>I ⇔ J>A>E>I

4. F>C

5. On the full question, B can scratch mineral F but it can be scratched by all the other minerals except C. B>F>C

6. H is the hardest. H is Diamond

7. D is Corundum

8. H>D>G>J

Combine all the information, we have the following:

H>D>G>J>A>E>I>B>F>C

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.