State whether the given pairs of terms are like or unlike.
`-25xy,-25yz`

State whether the given pairs of terms are like or unlike. 1,10

State whether the given pairs of terms are like or unlike. xyz,8765zxy

State whether the given pairs of terms are like or unlike. 4xy^2,789y^2x

State whether the given pairs of terms are like or unlike. 55ab^2,55ba^2

State whether a given pair of terms is of like or unlike terms. (i) 1100 (ii) -7x, 5/2x (iii) -29x , 29y (iv) 14xy, 42yx

State whether the given compound is aromatic or not.

Identify which of the following pairs contain like terms or unlike terms. 2xy,2xz

State with reasons, which of the following pairs of terms are of like terms and which are of unlike terms : (i) 7x, 12y (ii) 15x-21x (iii) 4ab,7ba

Identify which of the following pairs contain like terms or unlike terms. -x^2y,5xy^2

Identify which of the following pairs contain like terms or unlike terms. 3xy,-8yx