Advertisements
Advertisements
प्रश्न
Give equation for the following conversion:Aluminium to sodium aluminate.
उत्तर
Al2O3 + 2H2O + 2NaOH → 2NaAlO2 + 3H2O
APPEARS IN
संबंधित प्रश्न
How is the following metallic oxide reduced? Write equations:
Iron (ll) oxide
what is the function of cryolite in the extraction of aluminium, other than acting as a solvent for bauxite?
Write balanced equation for the following reaction:
Reduction of iron (III) oxide by carbon monoxide.
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
If fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?
Name the following:
The compound formed by the reaction between calcium oxide and silica.
- 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.
Steel is an alloy of iron and ______.
Write a balanced equation for the reduction of copper (ll) oxide by hydrogen.
Give the equations for the reduction of Lead (II) oxide.
