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प्रश्न
Write the name and formula of two ores of the following: Zinc
उत्तर
Zinc: Zinc blende (ZnS) and Calamine (ZnCO3).
APPEARS IN
संबंधित प्रश्न
Explain with reason:
Electrolytic reduction is done to obtain aluminium?
State the use of:
wrought Iron
From the metals: copper iron, magnesium, sodium and zinc, select a different metal in each case
which:
for not react with cold water but reacts with steam when heated.
Complete and balance the following equation :
Al + NaOH →
The following question refer to the extraction of aluminium and iron from their ores:
What is the major impurity present in iron when it is removed from the furnace?
Name an alloy of zinc which is used in simple voltaic cells.
Name the main constituent metal in the following alloy:
Brass
Explain the following term:
Ore
What is the role of flux in metallurgical processes?
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?
