Subject :NSO Class : Class 6
Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?
A There was no difference in the contents of China dish before and after heating.
B Before heating, iron filings and sulphur powder could be seen separately but after heating the contents became black.
C Before heating, the iron filings and sulphur powder could not be seen separately.
D Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.