Which of the following is radioactive?
Mg
Ca
Sr
Ra
Magnesium is present in
Haemoglobin
Chlorophyll
Ascorbic acid
Vitamin B12
Thermite process is the metallurgy of
Al
Be
Carnallite is
MgSO4
MgO
KClMgCl26H2O
MgCO3
The ore of Barium is
Barytes
Beryl
Carnallite
Epsom salt
It fumes in air due to hydrolysis
MgCl2
CaCl2
BeCl2
SrCl2
MgCO3 decomposes to give
CO2
O2
Cl2
C
MgSO4. 7 H2O is known as
Magnesite
Gypsum
Epsomsalt
Higher electronegativity is for
Alkaline earth metals are called
Group I A
Group II A
Group III A
Group V A
