Related Questions

__________ of quicklime produces slaked lime.
A Hydration
B Dehydration
C Hydrogenation
D None of these
Quick lime (or caustic lime)
A Is obtained by the calcination of pure lime stone
B Has great affinity to moisture
C Is amorphous
D All the above
Which of the following gases turns lime water milky?
A O3
B CO2
C O2
D CO
For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is
A 80 : 13 : 7
B 70 : 20 : 10
C 60 : 35 : 5
D None of these
Which base is present in lime water?
A Sodium hydroxide
B Magnesium hydroxide
C Calcium hydroxide
D Ammonium hydroxide
Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is
A 5CaO . 3Al2O3
B 3CaO . Al2O3
C 3CaO . SiO2
D 2CaO . SiO2
The mortar in which both cement and lime are used as binding materials, is called
A Cement mortar
B Lime mortar
C Fire resistant mortar
D Gauged mortar
The main constituent which imparts hydraulicity to hydraulic lime is
A Calcium oxide
B Silica
C Clay
D Water
The lime which contains mainly calcium oxide and slacks with water, is
A Fat lime
B Quick lime
C Hydraulic lime
D Poor lime
নিচের কোনটি “Milk of lime” নামে পরিচিত?
A CaCo3
B Ca(OH)2
C NaOHCaO
D CuO

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