Isolation of El...

The common impurity present in most of the ores is

Which metal is also found in sea beds ?

The sulphide ore of iron is

Carbonate ore of iron is

The process of separating gangue and other impurities from the metals is known as

Which technique utilizes the density difference between the ore and the impurity to concentrate the ore is

Gravity separation technique is mainly applicable to

The diagram shows schematic representation of 

In extraction of gold and silver, the metals is leached into aqueous solution using

Liquation method is used for the metals which have

Ultrapurification method is used for

Which metal is used in paints and lacquers?

Extraction process of Bauxite is known as

Which among the following ores are not found on earth’s crust?

In the froth floatation process for the concentration of ore, the particles float because

Which among the following act as froth stabilizer?

Impurities associated with Bauxite ore is/are

At 1123 K temperature in the blast furnace, CO reduces

In the extraction of nickel by Mond’s process, the metal is obtained by

Blister copper is about

Refining of silver is done by

Which of the following ore contains both Mg and Ca?

Leaching of gold is done by

Which among the following reaction takes place in zone of heat absorption?

Calamine is an ore of