Which metal burns when it exposed to air?
Silver
Magnesium
Potassium
Zinc
Which metal has high reactivity in the reactivity series?
Sodium
Gold
Which metal makes a thin layer while reacting with oxygen?
Aluminium
Which is strong oxidizing agent from given?
Water
Nitric Acid
Hydrochloric acid
Sulphuric acid
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
Name the alkali metal from below?
Copper
Germanium
Negatively charged electrode is?
Cation
Cathode
Anode
Electron
Which is the product obtained while the metal reacts with water and acid?
Salt
Hydrogen
Hydroxides
Most non reactivate metal?
Mercury
Which metal is kept under kerosene oil?
