A. Remove double bonds

C. Raise its melting point

D. Improve its resistance to oxidation

A. Coke and caustic soda

B. None of these

C. Coke and sand

A. Dense soda ash

B. Sodium bicarbonate

D. Dehydrated soda ash

A. Magnesium chloride

B. Sodium sulphate

D. Calcium sulphate

A. Coke

B. Quartz

C. Alum

A. Thermosetting material

B. Condensation product of Hexamethylene diamine and adipic acid

D. Condensation product of dimethyl terephthalate and ethylene glycol

B. Nylon-66

C. Polyester

D. Teflon

A. BaSO4

C. CaSO4

D. MgSO4

B. Synthetic resin

C. Artificial abrasive

D. Blue pigment

A. CaO

B. NaCl

D. Coke

A. Bauxite

B. Chalcopyrite

C. Galena

A. Tri-nitro-toluene

B. Benzene

C. Styrene

A. Sodium

B. Potassium

C. Both sodium & potassium

A. Silicone

B. Polyamides

C. PVC

A. < 0

B. 250-300

C. 90-100

A. None of these

B. H2SO4 and 80kg of SO3

C. SO3 for each 100 kg of H2SO4

B. Massecuite

C. Fatty acids

D. Essential oil

A. Alcohol from molasses

B. Sugar

C. Phenol formaldehyde

A. Do not soften on application of heat

B. Are solvent insoluble

C. Are heavily branched molecules

A. As a rust preventive

C. As a foam depressant in distillation column

D. In hard water for cleaning of cloth

A. Polythene

B. P.V.C.

C. Polystyrene

A. Controlling poultry lice

B. Potato beetle

C. Controlling timber degradation by ants

B. Handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant

C. Gives higher conversion efficiency

D. Has a longer life and is not poisoned by arsenic

A. Emulsion

C. Gel

D. Colloids

B. 105 109

C. 102 102

D. 109 1011

A. Tetracycline

B. Streptomycin

C. Penicillin

A. Zinc sulphides

B. Titanium dioxide

D. Ferrous sulphate

A. Hexamethylene diamine and adipic acid

C. Hexamethylene diamine and Sebacic acid

D. Hexamethylene diamine and Maleic anhydride

B. Evaporator in calandria

C. Extractive distillation

D. Ternary Azeotropic distillation

A. Derived from living organisms

C. Proteins with high molecular weight (around 10,000)

D. Catalyst for temperature sensitive reactions

A. Prevent deterioration on storage

B. None of these

D. Produce long fibres

A. -196

B. -83

D. -218

B. 0.3

C. 12

D. 22

A. High cost

B. Easy poisoning tendency

C. Fragile nature

A. 50 60

B. 80 85

D. 1 2

A. 500 to 5000

B. 5000 to 10000

D. 106 to 109

A. Benzol-toluol-xylol

B. Benzene-toluol-xylol

D. Benzol-toluene-xylene

A. Detergent

C. Mercaptans

D. Vanaspati

A. Maltase

C. None of these

D. Yeast

B. Fatty acid

C. Detergents

D. Fatty alcohols

A. Rotary kiln

B. Blast furnace

C. L.D. converter

A. Potteries

B. Cement

D. Glass

A. Low temperature and low pressure

B. High temperature and high pressure

C. High temperature and low pressure

A. Polythene

B. None of these

D. Poly vinyl chloride

A. Zinc

C. Selenium

D. Boron

A. Mainly CaO

B. Subjected to galvanising

C. All A , B. and C.

B. 27-32

C. 4-Jan

D. 18-23

A. 90C, 45 atm

C. 50C, l0 atm

D. 30C, 200 mm Hg (absolute)

A. Flocculate the impurities

B. Facilitate fast filtration

D. Neither A. nor B.

A. Violet

C. Black

D. Red