English
Maharashtra State BoardSSC (English Medium) 10th Standard

Write the name. The molecular formula of main ore of aluminium –

Advertisements
Advertisements

Question

Write the name.

The molecular formula of main ore of aluminium –

One Word/Term Answer
Advertisements

Solution

The molecular formula of main ore of aluminium – Al2O3•nH2O

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Metallugy - Write the name

RELATED QUESTIONS

Name the most abundant metal in the earth’s crust.


Name the gas in air which tarnishes silver articles slowly.


Why does aluminium not corrode right through?


How is sodium metal extracted? Explain with the help of equation of the reaction involved.


Name the metal which is extracted from haematite ore.


Calamine ore can be used to extract one of the following metals. This metal is:


State one observation for each of the following  : 
Copper sulphate solution is electrolysed using copper electrodes. 


 Give the chemical formula of : 
Bauxite 


Name the ore of mercury. With the help of balanced chemical equations, explain the process of extraction of mercury from its ore.


Name the following:
The mixture of materials fed into a furnace to extract a metal.


Name : The metal which is liquid at room temperature.


Arrange the metals of copper, iron, magnesium, sodium and zinc in the decreasing order of reactivity.


Write the name.

The process of strong heating of carbonate ores in insufficient air–


Mercury, silver, gold are highly reactive metals.


Bauxite reacts with sodium hydroxide in the Bayer’s process.


Write the molecular formulae of the following compound.

Sodium aluminate


Explain in brief types of extraction of moderately reactive metals according to their reactivity.


The given reaction shows one of the processes to extract the metals like Iron and Manganese.

\[\ce{MnO2(s) + Al(s) -> Mn(l) + Al2O3(s) + Heat}\]

Give the reason why the above reaction is known as a thermite reaction.


The given reaction shows one of the processes to extract the metals like Iron and Manganese.

\[\ce{MnO2(s) + Al(s) -> Mn(l) + Al2O3(s) + Heat}\]

Give a reason why Aluminium is preferably used in thermite reactions.


A mineral from which the metal can be extracted economically and conveniently is known as ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×