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Name a Non-metallic Element Which is a Conductor of Electricity - Chemistry

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प्रश्न

Name a non-metallic element which is a conductor of electricity.

एक शब्द/वाक्यांश उत्तर
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उत्तर

Carbon in the form of graphite

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अध्याय 7: Metallurgy - Exercise 3 [पृष्ठ १८१]

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फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 7 Metallurgy
Exercise 3 | Q 6.4 | पृष्ठ १८१

संबंधित प्रश्न

Give equation for the following conversion:  Ferric oxide to iron.


Give equation for the following conversion:Aluminium to sodium aluminate.


Name a non-metallic element which forms acidic and neutral oxides


With reference to the reduction of copper (II) oxide , iron (II) oxide, lead (II) oxide and magnesium oxide; place the oxides in order of increasing ease of reduction.[i.e. first write the oxide that is most difficult to reduce and at last, the oxide, that is most easily reduced.]


Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.


In order to obtain one tone of aluminium, the following inputs are required:
4 tones of bauxite, 150 Kg of sodium hydroxide and 600 Kg of graphite.
The aluminium compound in bauxite is aluminium oxide and the main impurity is iron (II) oxide. Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite.
(i) Write the formula of cryolite.
(ii) Write down the word which correctly completes the following sentence.
"By dissolving aluminium oxide in cryolite, a ______ (conducting / non- conducting) solution is produced.
(iii) Why so much graphite required for this electrolytic process.
(iv) Write the equation for the reaction which takes place at cathode.


Answer the following question with respect by hydrogen : 
Explain why powdered coke is sprinkled over than electrolytic mixture.


Complete the following by selecting the correct option from the choices given :
The diavalent metal whose oxide is reduced to metal by electrolysis of its fused salt is ________


Write the observation for the following:
A paper dipped in potassium permanganate solution is put on the mouth of a test tube containing sulphur dioxide gas.


Give the equations for the reduction of Lead (II) oxide.


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