Question

3) Match the pair.
Column "B"
Column "A"
LAB + XY AY + XB
a. Decomposition
b. Thermal decomposition
H. AB = A+B
c. Simple displacement
d. Double displacement​

Answer 1

Answer:

i.- d.

ii.- b.

In first , two atoms are getting displaced so it is double displacement reaction.

In second , a molecule AB is breaking into its constituent atoms A and B in the presence of heat therefore it is thermal decomposition reaction.