Which equation represents a decomposition reaction? Question 1 options: 4P + 5O2→2P2O5 6NaNO3→6NaNO2+3O2 2C8H18+25O2→16CO2+18H2O H2SO4+2NaOH→Na2SO4+2H2O

Match the vocabulary terms to their definitions. 1 . a long, chain-like set of molecules made up of repeating units joined end to end polymer 2 . a hard, brittle, heat- and corrosion-resistant material made by subjecting a nonmetallic mineral mixture to intense heat ceramic 3 . a plastic with low elongations that cannot be recycled thermoset 4 . a carbon fiber embedded in a polymer resin matrix thermoplastic 5 . a plastic with high elongations that can be recycled crystal 6 . a solid form resulting from the arrangement of atoms, ions, or molecules in definite geometric patterns composite