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The most difficult ma­te­ri­als riddles

A list of materials related questions that are most often answered incorrectly
Animals quiz
How can you cut a diamond?
using a knife
160
using a diamond
7151
using gold
387
using a gas
1798
Diamond is the hardest substance in the world. Hence it can be cut only by using a diamond.
Shruthi Srinivasan
0
Correct this question
3
Very interesting!
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