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प्रश्न
Give reason for the following:
Galvanized metal ions should not be used for storing food.
उत्तर
Galvanized metal ions should not be used for storing food as food acids may react with the zinc coating and cause food poisoning.
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संबंधित प्रश्न
Name an ore which is concentrated by:
forth floatation process
State a reason why zinc is used in:
cosmetics?
State amalgam use with an example.
Explain the term of Ores .
Complete the statement using every given option.
During the extraction of aluminium..............
Use of leaching during the concentration of ore.
Define the term : Ore
What is an alloy? An alloy usually has some property which makes it useful in a specific way.
What is the special property of : type metal?
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 down the three letters each from the above list which are relevant to:
- Zinc
- Aluminium
Answer the following question :
Write the constituents of electrolyte for the extraction of aluminum.
Name the following:
The ore of zinc containing its sulphide.
