हिंदी

Write the molecular formulae of the following compound. Fluorspar

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प्रश्न

Write the molecular formulae of the following compound.

Fluorspar

एक शब्द/वाक्यांश उत्तर
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उत्तर

Fluorspar- CaF2

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अध्याय 8: Metallugy - Solve the following Questions

संबंधित प्रश्न

Name the following:

Main ore of aluminium.


Name the gas in air which tarnishes silver articles slowly.


How is zinc extracted from its carbonate ore (calamine)? Explain with equations.


How are the less reactive metals (which are quite low in the reactivity series) extracted? Explain with the help of an example.


The metal which can be extracted from the bauxite ore is ______.


Which of the following pair of metals exists in their native state in nature?


Give reasons, why aluminum is used in:

wrapping chocolates


Aluminum is used in thermite welding:

what is ignition mixture?


Aluminum is used in thermite welding:

write reaction for process?


Name the anode, the cathode and the electrolyte used in the electrolytic refining of impure copper.


How many valence electrons are present in non- metals?


Which one of the following is not true of metal :
Metals are good conductors of electricity.


Complete the following by selecting the correct option from the choices given:
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________


What is the difference between calcination and roasting?


Extraction of moderately reactive elements is done by _______ and _______ method.


Write the name.

The molecular formula of main ore of aluminium –


Explain the concept of Roasting.


Explain the following reaction with the balanced equation.

Chlorine dissolved in water


Oxides of moderately reactive metals like Zinc, Iron, Nickel, Tin, Copper, etc. are reduced by using:


Why should the metal sulphides and carbonates be converted to metal oxides in the process of extraction of metal from them?


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