Celluloid is chemically

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

Celluloid is chemically

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