GENERAL KNOWLEDGE

GK

BASIC GENERAL KNOWLEDGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is an element?
A
Ruby
B
Sapphire
C
Emerald
D
Diamond
Explanation: 

Detailed explanation-1: -Diamond is composed of the single element carbon, and it is the arrangement of the C atoms in the lattice that give diamond its amazing properties.

Detailed explanation-2: -Silica is not an element rather it is a compound that is composed of silicon and oxygen atoms. The chemical formula of silica is .

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