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प्रश्न
Explain the following:
Cold water has no action on aluminium.
उत्तर
Cold water has no action on aluminium while burning aluminium decomposes steam.
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संबंधित प्रश्न
State the position of aluminium in the periodic table.
State the use of:
Mild steel,
Give two properties of alloys which are different from constituent metals.
Explain the following:
Stainless steel is more useful than steel.
The following question refer to the extraction of aluminium and iron from their ores:
What is the most important chemical process in the extraction of any metal? State how this essential step is carried out in the extraction of: i. iron, and ii. Aluminium.
Write the chemical formulae of the main ore of aluminium.
Name the following :
The process of coating of iron with zinc.
In the Wilfley table method, the particles of gangue are separated by __________ separation method.
Explain concept with example/explain with the help of a balanced equation.
Ores
Nickel is purified by thermal decomposition of its:-
