English

Both brass and bronze contain copper as major constituents. Name other elements in these alloys. - Chemistry

Advertisements
Advertisements

Question

Both brass and bronze contain copper as major constituents. Name other elements in these alloys.

Short Note

Solution

  • The other element in Brass is Zinc.
  • The other elements in Bronze are Tin and Zinc.
shaalaa.com
  Is there an error in this question or solution?
Chapter 7: Metallurgy - Exercise 7D [Page 136]

APPEARS IN

Selina Concise Chemistry [English] Class 10 ICSE
Chapter 7 Metallurgy
Exercise 7D | Q 3 | Page 136

RELATED QUESTIONS

Give the chemical names and formulae of the main ores of zinc.


Name three alloys of steel. Give their compositions and uses.


Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is
extracted from it by electrolytic reduction

Mention one reason for the use of aluminium in thermite welding ?


Give reason for the following:
Extraction of aluminium was very difficult in the beginning.


How is aluminium obtained from pure ore?


A to F below relate to the source and extraction of either zinc or aluminium.

  1. Bauxite
  2. Coke
  3. Cryolite
  4. Froth floatation
  5. Sodium hydroxide solution
  6. Zinc blende

Fill in the blanks using the most appropriate words from A to F:

(i) The ore from which aluminium is extracted must be treated with ______ so that pure aluminium oxide can be obtained.

(ii) Pure aluminium oxide is dissolved in ______ to make a conducting solution.


Name the alloy used for the following purpose.

Making medals


The chief ore of Aluminium is ______


Write the balanced chemical equation to show the concentration of ore in Baeyer’s process.

Sodium aluminate to aluminium hydroxide


The following sketch illustrates the process of conversion of Alumina to Aluminium:

  1. Name the constituent of the electrolyte mixture which has a divalent metal in it.
  2. Name the powdered substances ‘X’ sprinkled on the surface of the electrolyte mixture.
  3. What is the name of the process?
  4. Write the reactions taking place at the electrodes ‘Y’ (anode) and ‘Z’ (cathode), respectively.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×