Q: 5 (NDA-I/2012)

Statement I: Conversion of blue copper sulphate to black cupric oxide on heating is a physical change.
Statement II : A change in which chemical composition does not change is called physical change.
question_subject: 
Science
question_year: 
2012
question_exam: 
NDA-I
stats: 
0,240,240,136,80,24,240