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When an iron nail gets rusted, iron oxide is formed
Galvanised iron sheets have a coating of
Among the various allotropes of carbon
The group of metals Fe, Co, Ni may best called as
Heavy water is
The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of
The element common to all acids is
Non stick cooking utensils are coated with
Monazite is an ore of
Carbon diamond and graphite are together called
