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प्रश्न
Answer the following question :
Write the constituents of electrolyte for the extraction of aluminum.
उत्तर
Constituents of the electrolyte for the extraction of aluminium are pure alumina (Al2O3) cryolite (Na3AlF6) and fluorspar (CaF₂).
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संबंधित प्रश्न
Name the most common ore of the metal aluminium from which the metal is extracted. Write the chemical formula of the ore.
State two conditions necessary for rusting of iron ?
Explain with reason:
Electrolytic reduction is done to obtain aluminium?
Explain the following:
Zinc is used to cover iron so as to prevent rusting of iron. Why?
Explain
Nitric acid can be stored in aluminium containers
Name the process of concentration
(a) Based on densities
(b) Based on magnetic nature.
Complete and balance the following equation:
Al + N2 →
Complete and balance the following equation:
Al + KOH + H2O →
What is an alloy? An alloy usually has some property which makes it useful in a specific way.
What is the special property of: Duralumin
From the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which:
(a) Does not react with dilute hydrochloric acid
(b) Can form 2+ and 3+ ions
(c) Has a hydroxide that reacts with both acid and alkalis.
(d) Does not react with cold water, but reacts with steam when heated.
