A certain metal M is used to prepare an antacid, which is used as a medicine for acidity. This metal accidently catches fire, which can not be extinguished by using CO2 based extinguishers. The metal M is

A certain metal M is used to prepare an antacid, which is used as a me

1.	A certain metal M is used to prepare an antacid, which is used as a medicine for acidity. This metal accidently catches fire, which can not be extinguished by using CO₂ based extinguishers. The metal M is
A.	Mg
B.	Ba
C.	Be
D.	Ca
Answer» B. Ba