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Carbon
Tin
Chromium
Aluminium
The important ore of aluminium is
The inert gas abundantly found in atmosphere is
The influx of domestic sewage containing detergents cause nutrient enrichment in water bodies due to the presence of
The instrument used to measure pressure-
The invention of the transistor, or semiconductor, was one of the most important developments leading to the personal computer revolution. What company invented the transistor in 1947?
The iron ore which contains 72% of iron is:
The kinetic energy needed to project a body of mass m from the Earth surface (radius R) to infinity is
The King of metal is
The King of Metals is:
The largest cell in the human body is