Advertisements
Advertisements
प्रश्न
Identify who I am!
Ore of Aluminum- ______
Advertisements
उत्तर
Ore of Aluminum- Bauxite
APPEARS IN
संबंधित प्रश्न
In the extraction of aluminium: Name the process of concentration of bauxite.
Name two metals which are found in nature in the free state.
Name the following:
The property possessed by metals by which they can be beaten into sheets.
Describe with one example, how moderately reactive metals (which are in the middle of reactivity series) are extracted.
Which of the following pair of metals exists in their native state in nature?
Give reasons, why aluminum is used in:
making alloys
An element has its electron configuration as 2,8,8,2. Now answer the following questions.
a) What is the atomic number of this element?
b) What is the group of this element?
c) To which period does this element belong?
State one observation for each of the following :
Copper sulphate solution is electrolysed using copper electrodes.
Name the following:
The process of heating a substance very strongly in such a way that it does not combine with oxygen.
Complete the incomplete statement with missing word:
Non-metals form acidic oxides while metals form ______.
Correct the following statement :
Copper reacts with nitric acid to produce nitrogen dioxide.
Write the name.
The molecular formula of main ore of aluminium –
Write the name.
The process of strong heating of carbonate ores in insufficient air–
Write the name.
The process of extraction of aluminium from alumina-
Write the molecular formulae of the following compound.
Cryolite
Explain Bayer’s process.
Explain the following reaction with the balanced equation.
Sodium aluminate reacts with water
Explain the following reaction with the balanced equation.
Dry aluminium hydroxide is ignited at 1000 °C
The poorest conductor of heat among metals is ____________.
The given reaction shows one of the processes to extract the metals like Iron and Manganese.
\[\ce{MnO2(s) + Al(s) -> Mn(l) + Al2O3(s) + Heat}\]
Identify the substance oxidised and reduced in the above reaction.
