Which of the following gas is evolved upon decomposition of CaCO3?
O2
H2
CO
CO2
As we have learnt,
CaO is prepared by heating limestone in a rotatory kiln at 1070 - 1270 K
Therefore, option (4) is correct.
NEET: CBI takes over case of aspirant's death in Patna hostel; FIR registered
NEET 2026 LIVE: UG registration begins at neet.nta.nic.in; documents, photograph, exam schedule, admit card
NEET: Protest at Jantar Mantar seeks impartial probe into student's death in Patna
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now