Bihar Police Constable Model Paper 5

Concept

• Alloy - Alloys are formed by the combination of two or more metals. Example - Bronze is an alloy of Sn and Cu.
• Metalloid - Elements that have characteristics of both metals and non-metals.
• Allotrope - Different crystalline forms of an element. Diamond and graphite are allotropes of carbon.

Explanation

• Carbon is a non-metal therefore its allotrope graphite is also a non-metal.