1. to protect the anode
2. to increase Al production
3. it acts as a reducing agent
4. to make a conducting solution of bauxite
to make a conducting solution of bauxite
1. Mg&Zn
2. Fe &Mg
3. Ni&Zn
4. Al&Zn
Mg&Zn
1. CO2 and CO
2. CO and CO2
3. CO2 and CO2
4. CO and CO
CO<sub>2</sub> and CO<sub>2</sub>
1. Ca(CN2) and graphite
2. CaC2 and graphite
3. CaCN2 and graphite
4. CaCN2 and N2
CaCN<sub>2</sub> and graphite
1. Nitrolium+O3
2. Water gas +O3
3. Cyanogen +O2
4. Cyanogen +O3
Cyanogen +O<sub>3</sub>
1. C2H4
2. C3H6
3. C3H8
4. C3H4
C<sub>3</sub>H<sub>4</sub>
1. Na
2. Na/liq.NH3
3. Na/dry ether
4. Na/dry alcoho
Na/dry ether
1. light
2. middle oil
3. anthracene oil
4. heavy oil
light
1. methanol
2. chloral
3. acetylene
4. Potassium formate
Potassium formate
1. CH3CH2OH
2. CH3COOH
3. CH3CH(OH) CH2CHO
4. CH3 CH3
CH<sub>3</sub>CH(OH) CH<sub>2</sub>CHO