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Define four different types of chemical reaction and write down 7 example of each |
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Answer» Answer: Direct COMBINATION Decomposition Displacement Double Displacement Explanation: Direct combination or synthesis is a reaction in which two or more substances combine together to form a single substance C+O2=CO2+Heat Fe+S=FeS Decomposition is a reaction is breaking of a compound either into elements or simple compounds such that these products do not recombine to form the ORIGINAL compound. it occurs in the presence of heat or light or even by electric current. 2Hgo=2Hg+O2 2H2O=2H2+O2 Displacement a reaction in which a more active element displace a lest active element from its salt solution CuSO4+Zn=ZnSO4+Cu 2KI+Cl2=2KCl+I2 Double Displacement or Double Decomposition is a reaction in which two compounds in a solution REACT to form two NEW compounds BaCl2+Na2So4=BaSO4+2NaCl CuSo4+H2S=CuS+H2SO4 Hope it HELPED |
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