2nd Year Chemistry S-Block Elements
MCQs Chapter No. 2
41. The milk of magnesia is used for the treatment of:
(a) Acidity
(b) Basicity
(c) Rancidity
(d) Jaundice
Answer:
(a) Acidity
42. Cement contains gypsum: (LHR 2012)
(a) 3%
(b) 2%
(c) 0.2%
(d) 0.3%
Answer:
(b) 2%
43. Dolomite is: (LHR 08,12)
(a) CaCO3
(b) MgCO3.CaCO3
(c) MgCO3
(d) Na2CO3
Answer:
(b) MgCO3.CaCO3
44. Chemical formula of Magnesite is: (FSD 2009)
(a) CaMg3(SiO3)4
(b) MgCO3
(c) MgSO4
(d) MgC12
Answer:
(b) MgCO3
45. Which one does not belong to alkaline earth metals?
(MTN 08,15, FSD 09,15, RWP 12, GRW 14,15)
(a) Be
(b) Ra
(c) Ba
(d) Rn
Answer:
(d) Rn
