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Correct Answer: Coloured gemstonesSolid in which components are compatible and form a unique phase. The definition ... phase of a polymer is converted between glassy and rubbery states. ...Read more
Correct Answer: Formic AcidFormic acid, systemically named methanoic acid, is the simplest carboxylic acid. The chemical formula is HCOOH or HCO₂H. It is an important intermediate in chemical synthesis and occurs naturally, most notably in some ants ...Read more