Which type of reaction starts with a compound or molecule and is then separated into two or more substances like in the example below? AB - A+B A. synthesis
b. decomposition
c. single replacement
d. double replacement

Which type of reaction starts with two compounds and ends with compounds switching partners like in the example below?
AB+CD=AD+CB
A . synthesis
B. decomposition
C. single replacement
D. Double replacement

What type of reaction starts with a single element and a compound and ends with a different compound and a single element like in the example below?
A+BC=AC+B
A. synthesis
B. Decomposition
C. single replacement
D. Double replacement ​