A. Passing it through sodium hexametaphosphate

B. Treating it with zeolites

C. Addition of soda ash to it

B. In insecticides manufacture

C. For making nylon-6

D. In making PVC

A. Maximum service temperature

C. Tensile strength

D. Resistance to the action of organic solvent

A. None of these

C. Digestion

D. Bleaching

B. Remove the coloring matter from the syrup

C. Improve the rate of crystallisation of sugar

D. Reduce the viscosity of the syrup

B. Chemically active

C. Thermosetting

D. Fibrous

A. Polyester

B. Thermosetting resin

D. None of these

B. Produce lower concentration NaOH

C. Require lower initial investment

D. Require more power

A. Are same as varnish

C. Do not contain pigment

D. Are prepared from non-drying oil

A. Merely compressing the gas beyond its critical pressure

B. Adiabatic expansion against a piston or in a turbine

C. Exchange of heat with colder stream

B. Unsaturated fat

C. By-product of chlor-alkali industry

D. Starting material for the production of iodine

A. MgCl2

B. None of these

C. CaCl2

A. Coloured paper

C. Writing paper

D. Bond paper

A. Dynamite

B. Glycerine

D. Nitro glycerine

A. Epoxy resin

B. Silicone

C. Polyurethane

A. -103

B. -196

D. -53

B. Silica

C. Alumina

D. Soda

A. Rhombic sulphur

B. Milk of sulphur

C. Monoclinic sulphur

B. Increase the amount of molasses

C. Increase the crystal size

D. Increase its concentration

A. Scale formation in the absorber is to be avoided

B. SO3 gas is sparingly soluble in water

C. The purity of acid is affected

A. 10

B. 5

D. 35

A. Alkylation

B. Dehydration

D. Oxidation

A. Cellulose nitrate

C. Regenerated cellulose nitrate

D. Cellulose acetate

B. Separate slag from metal

C. Enhance rate of reaction

D. Accelerate reduction of ore

A. None of these

B. Passing it through a bed of silica gel

C. Passing it through a bed of diatomaceous earth

A. Phosphoric acid

C. Phosphorous

D. Superphosphates

A. FeO.TiO2

B. AlF3 . 3NaF

D. Ca SO4 . 2H2O

A. 45

C. 70

D. 99.5

A. 10 atm., 800 C

B. 1 atm., 170 180C

C. 1 atm., 800C

B. None of these

C. Calcium perchlorate

D. Soda lime

A. Extractive distillation technique

C. None of these

D. Liquid extraction technique

B. It contains ? 40% metal

C. The metal present in it is costly

D. All A , B. and C.

A. Common salt

B. Magnesium & potassium compounds

D. Bromine

B. Rotary

C. Fluidised bed

D. Vertical shaft

A. CaCO3

B. CO2

D. Ca(OH)2

A. CaCO3

C. Al2O3

D. Fe

B. Produces low density polyethylene

C. Uses no catalyst

D. Employs very high pressure

A. Oxidation

C. Decoloration

D. Purification

A. Esterification

C. Hydration

D. None of these

A. Lignite

B. Peat

C. Sub-bituminous

A. Regenerated cellulose nitrate

B. Cellulose nitrate

C. Regenerated cellulose acetate

A. CO2 and H2

C. H2, CH4 and CO

D. N2 and H2

B. In nylon-6, the number 6 represents the total number of carbon atoms in the ring

C. Ethanolamines are produced by using ammonia and ethylene oxide as raw material

D. Catalytic hydrogenation of carbon monoxide produces methyl alcohol

B. H2SO3

C. SO2

D. SO3

A. Are prone to rancid oxidation

B. Always contain some amount of nickel (as their complete removal is very difficult)

D. Have affinity to retain harmful sulphur compounds

B. Lignin

C. Both A. & B.

D. None of these

A. Absorption of SO3 in 98% H2SO4

B. C + H2O = CO + H2

C. Thermal dissociation of iron pyrites

A. None of these

C. Lead

D. Carbon disulphide

A. Salt petre

C. Quick lime

D. Glaubers salt

B. High electrical insulation properties

C. Low co-efficient of thermal expansion

D. Compressive strength much greater than their tensile strengths