English

Name a Non-metallic Element Which Has a Metallic Lustre

Advertisements
Advertisements

Question

Name a non-metallic element which has a metallic lustre

One Word/Term Answer
Advertisements

Solution

Iodine

shaalaa.com
  Is there an error in this question or solution?
Chapter 7: Metallurgy - Exercise 3 [Page 181]

APPEARS IN

Frank Chemistry Part 2 [English] Class 10 ICSE
Chapter 7 Metallurgy
Exercise 3 | Q 6.2 | Page 181

RELATED QUESTIONS

Give appropriate scientific reasons for Zinc oxide can be reduced to zinc metal by using
carbon, but aluminium oxide cannot be reduced by a reducing agent


How is the following metallic oxide reduced? Write the equation:

Zinc oxide


Give equation for the following conversion: Aluminium to aluminium nitride.


Name oxide of one metal which is reduced by (give equation): Reduction with heat alone


Name a non-metallic element which is a liquid at ordinary temperatures


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.]


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.
(a) When bauxite is treated with sodium hydroxide solution, what happens to:
(i) the aluminium oxide?
(ii) The iron (III) oxide?

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 :
Name the process used for the enrichment of sulphide ore.


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 ________


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×