Melting and boiling points regularly decrease down the group in:
The s-block element forms super oxide when burned in air is:
The general formula of nitrides for alkaline earth metals is:
The alkali metal that gives a yellow color during a flame test is:
The chemical commonly used in fireworks is:
Cathode in Castner Kellner cell is:
The diagonal member of beryllium is:
The catalyst commonly used in the conversion of sulfur dioxide to sulfur trioxide during the preparation of sulphuric acid is:
Oil of vitriol refers to:
The best oxidizing agent among the halogens is: