Mechanically crushing and pulverization of metals is known as _________

Identify the refining method:

A metallurgical method used for separating metals form impurities based on melting point difference between the metals and impurities

Identify the refining method shown in the figure

In the process of distillation, pure metal is obtained in _______

Identify the process during aluminum extraction:

Mixing bauxite with caustic soda and heated under pressure. Sodium Aluminate is formed. Sodium aluminate is then heated with water to give Aluminum hydroxide which on heating gives alumina.

What is the colour of Nitrosyl chloride gas?

Which of the following is also known as Tilden's regent?

Which of the following metals are stored in Kerosene?

The only non metal capable of vigorously reacting with water is:-

________________is a highly reactive element that must be stored underwater to avoid spontaneous combustion in the air.

Solder is an alloy of:

Oxides of metals that react with acids as well as alkali to form salt and water is known as ________salts