10 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
using a diamond
using gold
using a gas
Diamond is the hardest substance in the world. Hence it can be cut only by using a diamond.
Shruthi Srinivasan
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Very interesting!
gemstones riddles
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Animals quiz