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प्रश्न
Identify who I am!
Ore of Aluminum- ______
उत्तर
Ore of Aluminum- Bauxite
APPEARS IN
संबंधित प्रश्न
How many carats is pure gold? Why is pure gold not suitable for making ornaments?
Why are the metals like Na, K, Ca and Mg never found in their free state in nature?
A zinc ore on heating in air forms sulphur dioxide. Describe briefly any two stages involved in the conversion of this concentrated ore into zinc metal.
Name three other metals which are extracted in a manner similar to sodium.
Name the electrode at which aluminium metal is produced.
Name two ores of zinc. Write the names of the chemical compounds present in them and give their chemical formulae.
An ore of manganese metal is:
(a) bauxite
(b) haematite
(c) cuprite
(d) pyrolusite
Give reasons, why aluminum is used in:
In aluminiothermy
Aluminum is used in thermite welding:
write reaction for process?
Name the ore of mercury. With the help of balanced chemical equations, explain the process of extraction of mercury from its ore.
Name the following:
The process in which an ore is heated in air so that oxygen gets added to it to form the oxides.
Define the term : Flux
Write equations for each of the above metal which reacts with water.
Choose the correct answer from the options given below:
The metal is a liquid at room temperature.
choose the most appropriate term to match the given description.
Heating of the ore in the absence of air to high temperature
_______ is the least reactive metal.
In the electrolytic reduction of alumina, the lining of graphite acts as an anode.
Read the following passage and answer the questions.
According to the reactivity series, zinc is more reactive than iron, iron is more reactive than silver. During study of this, a student dipped the iron nails in silver nitrate solution.
- What is reactivity series?
- What will happen when iron nails are dipped in silver nitrate solution?
- Which type of reaction happens when iron metal reacts with silver nitrate solution?
- What will happen if a zinc rod is used instead of iron nail?
Explain in brief electrolytic reduction of alumina with a neat labelled diagram.
