Explain any three types of chemical reaction.
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combination reaction
A reaction in which two or more reactants react to form a single product
eg. 2Mg+O2= 2MgO
displacement reaction
A reaction in which a highly reactive metal displaces less reactive metal from its compound
eg. Fe+CuSO4---- FeSO4+Cu
Displacement reaction
A reaction in which a compound disassociate into two or more products
eg.2H2O--- 2H2+O2
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Answer:
For rusting, the presence of air(oxygen) and moisture(water) is required. In coastal areas the quantity of moisture present in air is higher than in the deserts. Hence, rusting of iron objects is faster in coastal areas than in deserts.
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