A. Diviny1 acetylene
B. Ethylidine dichloride
C. Chloroprene
D. 1 – 3 – 3 – trichloro butane
Free MCQs for FPSC, NTS, PPSC, PMS, CSS & All Pakistan Exams 2026
A. Diviny1 acetylene
B. Ethylidine dichloride
C. Chloroprene
D. 1 – 3 – 3 – trichloro butane