HARD
10th CBSE
IMPORTANT
Earn 100

Name the process of obtaining a pure metal from an impure metal through electrolysis. Suppose you have to refine copper using this process, then explain with the help of a labelled diagram the process of purification, mentioning in brief the materials used as (i) anode, (ii) cathode and (iii) electrolyte

Important Questions on Metals And Non-Metals

HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3D>Q 14
During extraction of metals, electrolytic refining is used to obtain pure metals, (a) Which material will be used as the anode and cathode for refining of silver metal by this process? (b) Suggest a suitable electrolyte also, (c) In this electrolytic cell, where do we get pure silver after passing electric current?
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3D>Q 15
A metal that exists as a liquid at room temperature is obtained by heating its sulphide in the presence of air. Identify the metal and its ore and give the reaction involved. 
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3D>Q 16
Compound X and aluminium are used to join railway tracks, (a) Identify the compound X (b) Name the reaction (c) Write down the reaction.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3D>Q 1
Distinguish between roasting and calcination. Which of these two is used for a sulphide ore and why?
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3D>Q 1
Write the chemical equation to illustrate the use of aluminium for joining cracks in railway lines.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3D>Q 1
Name the anode, the cathode and the electrolyte used in the electrolytic refining of impure copper metal.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3D>Q 2
An ore on heating in air produces sulphur dioxide. What process would you suggest for its concentration. Describe briefly any two steps involved in the conversion of this concentrated ore into the related metal.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3D>Q 3
Give reason for the following:
Metals conduct electricity.