MEDIUM
Earn 100

What is metal?

Important Questions on Metals and Non-Metals

MEDIUM
"All ores are minerals, but all minerals are not ores". Justify.
EASY

Different methods are used for the concentration of ores.

What is the ore of aluminium?

EASY
Name two metals which are found in nature in the free state.
EASY

Define the term-

(i.) Ore
(ii.) Gangue

HARD
Carbon cannot reduce the oxides of sodium, magnesium and aluminium to their respective metals. Why? Where are these metals placed in the reactivity series? How are these metals obtained from their ores? Take an example to explain the process of extraction along with chemical equations.
EASY
Cinnabar is an ore of which metal?
EASY
Why zinc blend can be called both mineral and ore of Zinc?
MEDIUM

Define the following term with example. 

Mineral 
 

HARD
 Write differences between mineral and ore with example.(any three) 
 
MEDIUM

Define the following term with example. 

Ore 

MEDIUM

Write the steps involved in the extraction of pure metals in the middle of the activity series from their carbonate ores.

MEDIUM
How is copper extracted from its sulphide ore? Explain the various steps supported by chemical equations. Draw labelled diagram for the electrolytic refining of copper.
EASY
Give the name and chemical formula of one ore of copper. 
EASY
Manganese metal is extracted from manganese dioxide by a reduction process by making use of:
EASY
Which of the following is an iron ore?
EASY
The metal which can be extracted simply by heating the cinnabar ore in air is:
EASY
Rock salt is an ore of one of the following metals. This metal is:
EASY
Which of the following reactants are used to carry out the thermite reaction required for welding the broken railway tracks?
EASY
A sulphide ore is converted into metal oxide by the process of :