Related Questions

Celluloid is
A Cellulose acetate
B Regenerated cellulose
C Cellulose nitrate
D Cellulose acetate butyrate
Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding
A Glycerol
B Nitro cellulose
C Camphor
D None of these
Fill in the gaps : There is no such thing as chemically pure water ----nature.
A in
B of
C from
D none of these
There is no such things as chemically pure water--- nature.
A in
B of
C from
D none of these
The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as
A Element
B Compound
C Atom
D Molecule
Chemically, marble is known as
A Metamorphic rock
B Argillaceous rock
C Calcareous rock
D Siliceous rock
RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically
A Cyclo trimethylene trinitramine
B Trinitro resorcinol
C Cyclo tetramethylene tetranitramine
D Trinitro benzene
Calgon used in water treatment is chemically
A Sodium phosphate
B Sodium hexametaphosphate
C Calcium phosphate
D Tricresyl phosphate
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

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