GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Water
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Carbon
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Oil
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Carbon Dioxide
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Detailed explanation-1: -There are a number of pure forms of this element including graphite, diamond, fullerenes and graphene. Diamond is a colourless, transparent, crystalline solid and the hardest known material.
Detailed explanation-2: -The carbon family consists of the elements carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl). Atoms of elements in this group have four valence electrons.
Detailed explanation-3: -Answer and Explanation: Carbon is considered as the element of live because all the biomolecules are made up of carbon. The essential biomolecules like carbohydrates, proteins, lipids, even the nucleic acids are made up of carbon. Carbon is so unique due to the four valence electrons present in it.