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प्रश्न
Identify who I am!
Ore of Aluminum- ______
उत्तर
Ore of Aluminum- Bauxite
APPEARS IN
संबंधित प्रश्न
In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?
Why does a new aluminium vessel lose shine so soon after use?
Name two metals which are highly resistant to corrosion.
Give the name and chemical formula of one ore of copper.
Name one ore of aluminium. Name the aluminium compound present in this ore and write its chemical formula.
Which metal is extracted from bauxite ore?
An ore of manganese metal is:
(a) bauxite
(b) haematite
(c) cuprite
(d) pyrolusite
Which of the following is an ore of mercury metal?
(a) rock salt
(b) cinnabar
(c) calamine
(d) haematite
Manganese metal is extracted from manganese dioxide by a reduction process by making use of:
(a) carbon
(b) hydrogen
(c) electrolysis
(d) aluminium
During galvanisation, iron metal is given a thin coating of one of the following metals. This metal is:
(a) chromium
(b) tin
(c) zinc
(d) copper
An element A which is a part of common salt and kept under kerosene reacts with another element B of atomic number 17 to give a product C. When an aqueous solution of product C is electrolysed then a compound D is formed and two gases are liberated.
(a) What are A and B?
(b) Identify C and D.
(c) What will be the action of C on litmus solution? Why?
(d) Write formula of the compound formed when element B reacts with an element E having atomic number 5.
Aluminum is used in thermite welding:
write reaction for process?
State one observation for each of the following :
Copper sulphate solution is electrolysed using copper electrodes.
Name the following:
Name two metals always find in combined state.
Correct the following statement :
Copper reacts with nitric acid to produce nitrogen dioxide.
Atomic number of aluminium is _______ and its electronic configuration is _______.
Find the odd one out and give its explanation.
In the electrolytic method, a layer of highly active metal is applied to a less active metal.
Electrical wires have a coating of an insulting material. The material, generally used is
