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All ores are minerals but all minerals are not ores.
Ores are oxidized after concentration. Why?
Differentiate: mineral and ore
Differentiate: roasting and calcination
Differentiate: oxidation and reduction
What are the sources of metals?
Make a list of ores of iron, copper, aluminum, and silver.
How is metallurgy a stepwise process? Explain.
How pure metals are obtained from electro-refining? Explain it with an activity.
Which is the main ore of iron?
Which metal is found in pure state in nature?
Which is the primary step of purifying metal?
Which of the following ore is oxidized by roasting method?
In which process is smelting included?
Which of the following is known as black lead
Mention the chief ore of copper.
You are going to extract Zinc from Zinc Sulphide. Will you carry out the oxidation of ore? Support your answer with an appropriate reason. Also, which oxidation method will you use if your answer is ‘yes’?
A gold ring was lost in a field. When the ring was found after two months, it was found no change in its weight, why?
If we have to do the following task during extraction of metal from its ore, which procedure can be used?
- To change the ore into metallic oxide.
- To separate hydrophilic and hydrofobic substances from the ore.
Which metal can be obtained from argentite ore?
What type of ore is concentrated by froth floatation method?
If you are applying the process shown in the diagram to get pure silver from impure silver, how do you arrange the apparatus? Show by a suitable diagram.
Define ore and mineral.
All ores are minerals but all minerals are not ores.
Ores are oxidized after concentration. Why?
Differentiate: mineral and ore
Differentiate: roasting and calcination
Differentiate: oxidation and reduction
What are the sources of metals?
Make a list of ores of iron, copper, aluminum, and silver.
How is metallurgy a stepwise process? Explain.
How pure metals are obtained from electro-refining? Explain it with an activity.
Which is the main ore of iron?
Which metal is found in pure state in nature?
Which is the primary step of purifying metal?
Which of the following ore is oxidized by roasting method?
In which process is smelting included?
Which of the following is known as black lead
Mention the chief ore of copper.
You are going to extract Zinc from Zinc Sulphide. Will you carry out the oxidation of ore? Support your answer with an appropriate reason. Also, which oxidation method will you use if your answer is ‘yes’?
A gold ring was lost in a field. When the ring was found after two months, it was found no change in its weight, why?
If we have to do the following task during extraction of metal from its ore, which procedure can be used?
- To change the ore into metallic oxide.
- To separate hydrophilic and hydrofobic substances from the ore.
Which metal can be obtained from argentite ore?
What type of ore is concentrated by froth floatation method?
If you are applying the process shown in the diagram to get pure silver from impure silver, how do you arrange the apparatus? Show by a suitable diagram.
Define ore and mineral.