Question

(1 mark each)
Q-1. It is given the AABC SAFDE and AB = 4 cm, B = 40'and E = 60, then
which of the following is true.
(A) DE=4 cm, L A = 80
(B) DE = 4 cm, ZC = 80
(C) DF = 4 cm, 2A = 80
(D) DF = 4 cm, ZC = 80
the two triangle be
AB​

Answer 1

Answer:

There are two general types of ion exchange resins: those that exchange positive ions, called cation exchange resins, and those that exchange negative ions, called anion exchange resins. A cation is an ion with a positive charge. Common cations include Ca+2, Mg+2, Fe+2, and H+1