REVIEW EXERCISES

Author:K L Chugh

K L Chugh Chemistry Solutions for Exercise - REVIEW EXERCISES

Simple step-by-step solutions to REVIEW EXERCISES questions of General Principles and Processes of Isolation of Elements from NEW SYSTEMATIC MODERN CHEMISTRY. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from REVIEW EXERCISES with Hints & Solutions

EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 17

The ore having two different metal atoms is

MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 18

Match List-I with List-II.Select the correct answer using the code given below the list:

List-I (Type of Ore) List-II ( Example)
1. Oxide Ore A. Feldspar
2. Sulphide Ore B.Barytes
3.Sulphate Ore C.Fluorspar
4.Halide Ore D.Galena
  E.Corundum

EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 19

Which of the following is not an ore of magnesium?

EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 20

Which of the following ores is an ore of copper?

MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 30

What is the roles of cryolite and fluorspar in the electrolytic extraction of aluminium from pure alumina?

EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 31

What is slag? Give one example.

MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 31

What are the main constituents of German Silver?

MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 32

What is flux? Name an acidic flux?