Types of Chemical Reactions

Question 1

Define synthesis reaction

Answer 1

Combining of reactants to form a compound

Reactant 1 + Reactant 2 -> compound

Question 2

Define decomposition reaction

Answer 2

Breaking down of compounds into elements
Heat = break bond

Compound -> Element + Element

Question 3

Define single displacement reaction

Answer 3

More reactive element displaces less reactive element in compound

Compound 1 (Less reactive element 2) + Element 1 (more reactive) -> Compound 2 (More reactive element 1) + Element 2 (Less reactive)
AB + C -> AC + B

Question 4

Define double displacement reaction

Answer 4

Opposites attract

AB + CD -> AD + CB

Question 5

Define combustion reaction

Answer 5

Needs oxygen
Hydrocarbon + Oxygen -> Water + Carbon Dioxide