Resources
Quick practice
Question 1 of 5
What is the term used for a substance that has a fixed proportion of chemicals in its formation?
A
Drilling
B
Minerals
C
None of these
D
Mining
Get unlimited practice with CBSE Class 8 subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go