Diamond is having hardness number

Related MCQs

• Quartz has hardness of 7 and will scratch on all the minerals with hardness 8 and higher.
• The minerals which could be scrached by finger nail will have hardness between
• In relative proportion of rocks by weight percentage which type of rocks are having maximum percentage ?
• In relative proportion of rocks by volume percentage which type of rocks are having maximum percentage ?
• For the earth we are having static and stable earths crust.
• Crust and lithosphere are having same meaning.
• The element which is having highest volume per cent in the continental crust of earth is