Related Questions

Chemically, mullite refractories is
A 3Al2O3.2SiO2
B Al2O3
C ZrSO4
D ThO2
Hot face insulating linings of high purity alumina fused mullite are used, where
A Very high temperatures are involved
B Highly reducing conditions are involved
C Presence of iron or silica is harmful
D All of the above
Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the
A Washing action of metal
B Corrosion by layer of slag
C Both A & B
D Neither A nor B
Dense soda ash used in the manufacture of glass, is chemically represented by
A Na2CO3
B Na2CO3.10H2O
C Na2CO3.H2O
D Na2HCO3
Sodium tri poly phosphate (STPP) is chemically represented as
A Na5P3O10
B Na4P3O8
C Na3P4O6
D Na2PO4
Triple superphosphate is chemically represented as
A CaF2.3Ca3(PO4)2
B 3Ca3(PO4)2
C Ca(PO3)2
D Ca(H2PO4)2
Tricresyl phosphate is chemically represented as
A (CH3C6H4)3 PO4
B Ca10(PO4) 3F6
C (NH4)2 HPO4
D NH4H2PO4
Baking soda is chemically represented by
A Na2CO3
B NaHCO3
C Na2CO3.H2O
D Na2CO3.10H2O
Washing soda is chemically represented by
A Na2CO3
B Na2CO3.H2O
C Na2CO3.10H2O
D NaHCO3
Salt cake is chemically represented by
A Na2SO4
B CaSO4.$$\frac{1}{2}$$ H2O
C MgSO4
D BaSO4

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