Answer:
Answers with detail given below.
Step-by-step explanation:
1) NaBr + KF → NaF + BrK
Double replacement:
It is the reaction in which two compound exchange their ions and form new compounds.
AB + CD → AD +CB
2) 2Cu + MnCl₂ → 2CuCl + Mn
Single replacement:
It is the reaction in which one elements replace the other element in compound.
AB + C → AC + B
3) CO₂ → O₂ + C
Decomposition reaction:
It is the reaction in which one reactant is break down into two or more product.
AB → A + B
4) C + 2H₂ → CH₄
Combination reaction:
It is the reaction in which two or more simple substance react to give one or more complex product.