7) Identify the type of a chemical reaction where the more reactive element will replace less reactive element in a compound. A) Decomposition reaction B) Combination reaction C) Combustion reaction D) Single displacement reaction 8) Which pH value indicates an acidic solution? A) 7 B) 14 C) 3 D) 8
Decomposition Reaction = It is a type of Chemical reaction in which a compound breaks down into two or more simpler substances.
Combination Reaction = It is a type of Chemical reaction in which two or more elements or compounds (Reactants) combine to form a single compound (Product).
Combustion Reaction = The combustion reaction is a type of chemical reaction in which a fuel is oxidised by reacting with an oxidising agent and energy is released (usually in the form of heat).
Single Displacement Reaction = Type of Chemical reaction where the more reactive element will replace less reactive element in a compound.
Hence, Type of Chemical reaction where the more reactive element will replace less reactive element in a compound is:
option(D): Single Displacement Reaction
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