NCERT Important Questions Class 9 Science biology Chapter 15
Important NCERT Extra Questions
Chapter 15 Improvement in Food Resources
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
The following statements, describe the steps to detect the presence of metanil yellow in dal. One of the four statements given below is incorrect
Share
add 2-3 drops of concentrated H₂SO₄