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a method used to refine petrol by breaking covalent bonds between carbon atoms using heat and a catalyst.
occurs when an ion in a crystal structure is replaced by a different type of ion without...
an acid-base reaction in which there is a transfer of protons.
a solid network of atoms making up a large crystal with covalent bonds between the atoms.
compounds of aluminium oxide and silicon oxide that form an open lattice structure. They are...