Q: 84 (NDA-II/2012)

Given below is an approximate composition of a substance: Ca0-60-70% Si02-20-25% Al20-5-10% Fe203-2-3% The substance is
question_subject: 
Science
question_year: 
2012
question_exam: 
NDA-II
stats: 
0,72,120,80,72,24,16