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a base that ionises completely, e.g. NH3, NaOH.
non-rechargeable cells, such as the zinc-carbon torch cell.
the phase change of a substance from the gas phase to the solid phase, without passing through...
single superphosphate fertiliser (SSP) is manufactured by adding sulfuric acid to phosphate...
compounds of aluminium oxide and silicon oxide that form an open lattice structure. They are...
coal that is heated in the absence of air to about 1 000 °C to remove volatile substances.