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प्रश्न
Give the chemical name and formula of 'cryolite'
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उत्तर
Cryolite is Na3AlF6 and its chemical name is Sodium aluminium fluoride.
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संबंधित प्रश्न
Complete the following by selecting the correct option from the choices given:
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ____________. (Fe/Mg/Pb/Al)
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
Explain with reason:
In the electrolytic reduction of alumina, the graphite anode is gradually consumed.
Write a balanced chemical equation for each of the following reactions :
(i) Reduction of copper (II) oxide by hydrogen
Give reason for the following:
Carbon anodes are used in the electrolytic extraction of aluminium.
Name a non-metallic element which forms acidic and neutral oxides
Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.
Name the following:
The compound formed by the reaction between calcium oxide and silica.
Name the following :
A metal oxide that can be reduced by hydrogen
Complete the following by selecting the correct option from the choices given :
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ________
