A. polyacetylene
B. benzene
C. chloroprene
D. divinyl acetylene

(more…)

Submitted by :- Jamil Ahmed

A. Ni-Cu alloy

B. Ni-Al alloy

C. Ni-Fe alloy

D. Ni-Mg alloy

Submitted by :- Jamil Ahmed

1. Cr
2. Fe
3. Al
4. Ni

Submitted by :- Muhammad Nawaz

1. Na_зAIF₄
2. Na₃AIF₆
3. Na₃AIF₃
4. Na₃AIF₅

Submitted by :- Muhammad Nawaz

A. alkane
B. alkene
C. alkyne
D. both B & C

Submitted by :- Jamil Ahmed

A. halogenation
B. dehalogenation
C. dehydrohalogenation
D. hydrohalogenation

Submitted by :- Jamil Ahmed

1. Electrolytic reduction of alumina
2. Refining of aluminum
3. Purification of bauxite
4. All of these

Submitted by :- Muhammad Nawaz

A. R-F
B. R-C
C. R-Br
D. R-I

(more…)

Submitted by :- Jamil Ahmed

1. Silica
2. Alumina
3. Both silica and ferric oxide
4. Ferric oxide

Submitted by :- Muhammad Nawaz

1. 1. Feldspar
   2. Alumite
   3. Bauxite
   4. Cryolite

Submitted by :- Muhammad Nawaz