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प्रश्न
Complete flow chart given below.
उत्तर
संबंधित प्रश्न
In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?
Give two uses of bronze.
Explain given equation, what happens when ZnCO3 is heated in the absence of air?
Name one ore of mercury. Which mercury compound is present in this ore? Write its chemical formula.
Give the principles of electromagnetic separation.
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?
Name the ore of mercury. With the help of balanced chemical equations, explain the process of extraction of mercury from its ore.
Name : The metal which is liquid at room temperature.
What is the difference between calcination and roasting?
Zinc sulphide : Roasting : : zinc carbonate : _______
Mercury, silver, gold are highly reactive metals.
Write the molecular formulae of the following compound.
Cryolite
Explain the characteristics of ionic compounds.
Explain the following reaction with the balanced equation.
Dry aluminium hydroxide is ignited at 1000 °C
Explain in brief types of extraction of highly reactive metals according to their reactivity.
The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called ____________.
Which of the statements about the reaction, \[\ce{ZnO + CO -> Zn + CO2}\] is correct?
- Given below are the steps for extraction of copper from its ore. Write the reaction involved.
- Roasting of copper (I) sulphide
- Reduction of copper (I) oxide with copper (I) sulphide.
- Electrolytic refining
- Draw a neat and well labelled diagram for electrolytic refining of copper
Care must be taken while diluting concentrated nitric acid with water. Why?
A mineral from which the metal can be extracted economically and conveniently is known as ______.
