1. Fe
2. Cu
3. Zn
4. Hg
Zn
1. Halogen
2. Actinides
3. Transition metals
4. Alkali metals
Halogen
1. 6
2. 12
3. 18
4. 27
18
1. Alkali
2. Alkaline earth
3. Inner- Transition
4. Transition
Transition
1. NaOH
2. BaO2. 8H2O
3. Ca(OH)2
4. Na2O
BaO2. 8H2O
1. Zinc
2. Sodium hydride
3. Magnesium ribbon
4. Aluminium
Magnesium ribbon
1. 0.79
2. 1.79
3. 2.79
4. 3.79
1.79
1. S- block elements
2. P- block elements
3. D- block elements
4. F- block elements
S- block elements
1. Syngas
2. Producer gas
3. Biogas
4. Dry ice
Syngas
1. Traces of acids
2. Finely divided metals
3. Acetanilide
4. Alcohol
Finely divided metals