Multiple choice general knowledge

The hardness of ice is similar to that of concrete.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ice on the Mohs hardness scale has a hardness of about 1.5, while concrete typically ranges from 3-6 depending on composition. Ice is significantly softer than concrete - it can be scratched with a fingernail, while concrete cannot.

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