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प्रश्न
Give equation for the following conversion: Aluminium hydroxide to aluminium oxide.
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उत्तर
2Al(OH)3 → Al2O3 + 3H2O
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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.
Name a non-metallic element which forms acidic and neutral oxides
Name a non-metallic element which is a liquid at ordinary temperatures
Name a non-metallic element which is a conductor of electricity.
What is the type of bonding expected in a metallic chloride?
If fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?
Complete the following by selecting the correct option from the choices given :
The diavalent metal whose oxide is reduced to metal by electrolysis of its fused salt is ________
- A to F below relate to the source and extraction of either zinc or aluminium:
- Bauxite
- Coke
- Cryolite
- Froth floatation
- Sodium hydroxide solution
- Zinc blende
- Write down the three letters each from the above list which are relevant to
- Zinc
- Aluminium
- Fill in the blanks using the most appropriate words from A to F.
- The ore from which aluminium is extracted must first be treated with ………………. so that pure aluminium oxide can be obtained.
- Pure aluminium oxide is dissolved in ….. to make a conducting solution.
iii. Write the formula of cryolite.
Name two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen.
