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प्रश्न
Identify who I am!
Ore of Aluminum- ______
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उत्तर
Ore of Aluminum- Bauxite
APPEARS IN
संबंधित प्रश्न
Name the following:
Main ore of aluminium.
Name the following:
The property possessed by metals by which they can be beaten into sheets.
What is meant by the 'concentration of ore'?
Name one ore of sodium. Name the sodium compound present in this ore and write its chemical formula.
How is sodium metal extracted? Explain with the help of equation of the reaction involved.
Aluminum is used in thermite welding:
write reaction for process?
Identify the process given in following passage and draw neat labelled diagram showing the process.
Electrolysis of molten mixture of alumina (melting point > 20000C) is done in a steel tank. The tank has a graphite lining on the inner side. This lining does the work of a cathode. A set of graphite rods dipped in the molten electrolyte works as anode. Cryolite (Na3AlF6) and fluorspar (CaF2) are added in the mixture to lower its melting point upto 10000C.
What is meant by concentration of ores?
What is meant by refining of metals? Name the three common methods used for refining.
Name : The metal which is liquid at room temperature.
Which one of the following is not true of metal :
Metals are malleable and ductile
Zinc blende is converted to oxide by ______ process.
How is the method of extraction of metals high up in the reactivity series different from that for metals in the middle? Why can the same process not be applied for them? Name the process used for the extraction of these metals.
Aluminium oxide is _______ oxide.
Extraction of moderately reactive elements is done by _______ and _______ method.
Write the name.
The process of extraction of aluminium from alumina-
Which of the following metals exist in their native state in nature?
(i) Cu
(ii) Au
(iii) Zn
(iv) Ag
