4. What is galvanisation?
5. Name five chemical changes that take place inside the body of living beings.
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Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting. The most common method is hot dip galvanizing, in which steel sections are submerged in a bath of molten zinc.
digestive system
entropic reaction
single and double displacement
respiration system
hormonal changes
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