The carbon based substance used in modern day pencils is ........

General Studies (CPO) General Science

The carbon-based substance used in modern day pencils is ...............

This questions was previously asked in

SSC CPO 15th-March-2019-Shift-2

Chaoite

Coal

Graphite

Silicon

- ? Option 1: Chaoite

- Chaoite is a rare mineral form of carbon, not used in pencils.

- ? Option 2: Coal

- Coal is primarily used as a fuel, not suitable or used in pencils.

- ? Option 3: Graphite

- Graphite is the carbon-based substance used in modern pencils. It allows for smooth writing due to its layered structure.

- ? Option 4: Silicon

- Silicon is not carbon-based and is not used in pencils.

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