1. Herbert Max Finaly
2. Sir Homphry Davy
3. Arthur H. Cromption
4. Priestley
Arthur H. Cromption
1. Third
2. Fourth
3. Fifth
4. Sixth
Fifth
1. NaBH3
2. NaBH4
3. NaBH2
4. NaBH
NaBH4
1. Exothermic process
2. Endothermic process
3. Reversible process
4. Ammonia soda process
Ammonia soda process
1. 0.86g.cm-3
2. 0.95g.cm-3
3. 0.97g/cm3
4. 0.389g/cm3
0.86g.cm-3
1. Forming covalent halides
2. Forming polymeric hydrides
3. Exhibiting maximum covalency in compounds
4. Exhibiting amphoteric nature in their oxides
Exhibiting maximum covalency in compounds
1. Li
2. Ba
3. Ce
4. Ra
Li
1. BeH2
2. CaH2
3. SrH2
4. BaH2
BeH2
1. Na
2. Rb
3. K
4. Li
Li
1. Kerosene
2. Absolute alcohol
3. Petrol
4. CCl4
Kerosene