Advertisements
Advertisements
Question
Name one metal occurring as a : Carbonate ore
Solution
Zinc
APPEARS IN
RELATED QUESTIONS
State two conditions necessary for rusting of iron ?
Which impurities are present in bauxite?
Name the process of concentration
(a) Based on densities
(b) Based on magnetic nature.
Complete and balance the following equation:
Al + O2 →
Give the name and formula of an ore of zinc.
Reduction of the zinc compound which is the product of above reaction.
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 equation for the reaction of zinc of the following: Copper sulphate solution
A to F below relate to the source and extraction of either zinc or aluminium.
- Bauxite
- Coke
- Cryolite
- Froth floatation
- Sodium hydroxide solution
- Zinc blende
Write the formula of cryolite.
Nickel is purified by thermal decomposition of its:-
Draw diagram of magnetic separation process and answer the questions based on it.
- Give example in which this process can work.
- Suggest any two methods that can also be used for this purpose.
- Which technique is based on hydrophobic and hydrophilic properties of particles?
