Advertisements
Advertisements
Question
Define the term mineral.
Solution
Minerals: Naturally occurring metals or its compounds are called minerals.
APPEARS IN
RELATED QUESTIONS
Name the following: Main ore of aluminium.
In the extraction of aluminium: Name the process of concentration of bauxite.
Write the composition of the alloy called bronze.
Why do gold ornaments look new even after several years of use?
To protect iron from rusting, it is coated with a thin layer of zinc. Name the process.
Write the name.
The molecular formula of main ore of aluminium –
Explain the following reaction with the balanced equation.
Ferric oxide is reacted with aluminium.
Explain the following reaction with the balanced equation.
Zinc oxide is treated with carbon
Observe the following diagram and write answers.
- Name the method.
- Write anode reaction and cathode reaction.
- Why fluorspar and cryolite are added in the mixture?
Explain in brief types of extraction of highly reactive metals according to their reactivity.