Name the alkali metal from below?
Silver
Sodium
Copper
Germanium
Which metal burns when it exposed to air?
Magnesium
Potassium
Zinc
The process of connection of ore of aluminium or conversion of bauxite in to alumina is known as?
Bayers process
Bosch process
Sponch iron process
Hibbs process
Give an example for amphoteric oxides?
K2O
Al2O3
Mg2O
Na2O
Which metal is used in chemical weapon?
Chlorine
Bromine
Iron
Which metal is kept under kerosene oil?
Which atom has one electron in its outer most shell?
Aluminium
Chloride
Which metal makes a thin layer while reacting with oxygen?
Which metal reacts with water?
Raw material used in electric wires?
PVC
Aluminum
