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प्रश्न
Give the chemical formula of :
Bauxite
उत्तर
Bauxite : Al2 O32 H 2O
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संबंधित प्रश्न
In the extraction of aluminium: Name the process of concentration of bauxite.
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
| Metal | Zinc | Magnesium | Copper |
| Zinc oxide | – | – | – |
| Magnesium oxide | – | – | – |
| Copper oxide | – | – | – |
In which cases will you find displacement reactions taking place?
In the extraction of aluminium: Write the function and formula of cryolite in the extraction of aluminium.
Name the gas in air which tarnishes silver articles slowly.
Give two uses of bronze.
How are the less reactive metals (which are quite low in the reactivity series) extracted? Explain with the help of an example.
Give reasons, why aluminum is used in:
making alloys
Define the following term.
Mineral
Extraction of moderately reactive elements is done by _______ and _______ method.
Explain the difference between Bayer’s process and Hall’s process by explaining the Bayer’s process.
