Related Questions

The addition of gypsum to portland cement helps in :
A Increasing the strength of cement
B Rapid setting of cement
C Preventing rapid setting of cement
D Reduction in the cost of cement
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of
A 1 : 2
B 1 : 3
C 1 : 4
D 1 : 6
Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at
A Rourkela (under SAIL)
B Bokaro (under SAIL)
C Sindri (under FCI)
D Baroda (under G.S.F.C.)
Gypsum consists of ---------.
A H2S andCO2
B Lime andH2O
C CaSO4 and H2O
D CO2 and calcium
Complete the analogous pair: QUARTZ: RADIO :: GYPSUM:?
A GLASS
B PORCELAIN
C CEMENT
D POWDER
Gypsum consists of
A H2S and CO2
B CaSO4 and H2O
C Lime and H2O
D CO2 and calcium
Economically exploitable gypsum occurs in
A Andhra Pradesh
B Bihar
C Rajasthan
D Maharashtra
Gypsum is used for improvement of:
A Alkaline soils
B Saline soils
C Podsols
D Acidic soils
Gypsum is a
A Mechanically formed sedimentary rock
B Igneous rock
C Chemically precipitated sedimentary rock
D Metamorphic rock
Calcination of gypsum produces
A Plaster of paris
B Salt cake
C Nitre cake
D Lime

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