A. Drying period

B. Ambient temperature fluctuation

C. Water to cement ratio

A. Oxidising

B. Photochemical

C. Reducing

B. Carbolic oil

C. Creosote oil

D. Anthracene

A. Dense soda ash

C. Dehydrated soda ash

D. Sodium bicarbonate

A. Diatomaceous earth

C. Bauxite

D. Bentonite

A. Silver

B. Copper

C. All A, B. and C

A. Chlorine

B. Ammonium chloride

C. Phosgene

A. Air

B. Helium

D. Nitrogen

A. None of these

B. Adding Ca(OH)2

C. Boiling

A. Producer gas

C. Water gas

D. Coke oven gas

A. Semi polar

B. Amphoteric

C. Cationic

A. Anaerobic batch

B. None of these

C. Continuous

B. None of these

C. Esterification

D. Hydration

A. Aqua regia

C. Explosives

D. Fertilisers

A. Arsenic

B. Manganese

C. Chromium

A. Hydrogenation catalyst

C. Analgesic drug

D. Insecticides

A. Furnace ? evaporator ? absorber

C. Converter ? furnace ? absorber

D. Furnace ? converter ? evaporator

A. Fructose

C. Both A. & B.

D. Neither A. nor B.

A. Methyl amine

B. Phenol

C. Xylene

A. Na2CO3

C. Na2CO3.H2O

D. Na2CO3.10H2O

A. An inorganic polymer

B. A monomer

D. Phenol formaldehyde

A. Dehydration

C. None of these

D. Hydrogenation

A. The purity of acid is affected

B. Scale formation in the absorber is to be avoided

C. SO3 gas is sparingly soluble in water

A. C6H5Cl

B. C6H6Cl6

C. C6H4Cl2

A. A volatile alkaloid

B. Obtained by treating by-products of the tobacco processing industry

D. Neither A. nor B.

A. Hydrolysis

C. Hydration

D. Hydrocracking

A. Hard water contains sulphate

B. They attract back the removed dirt

D. None of these

A. Increase the amount of molasses

B. Increase the crystal size

C. Increase its concentration

A. Violet

B. Black

C. Red

A. Doctor Zhivago

B. Flaming

D. None of these

B. Cellulose acetate

C. Cellulose acetate butyrate

D. Regenerated cellulose

A. Separate slag from metal

B. Enhance rate of reaction

C. Accelerate reduction of ore

A. Ethyl alcohol

B. Ethylene

D. Neither A. nor B.

A. None of these

B. Monosaccharide

D. Polysaccharide

A. Presence of ammonium salts

C. Absence of air

D. Presence of air

A. Reduce the viscosity of the syrup

C. Remove the coloring matter from the syrup

D. Improve the rate of crystallisation of sugar

B. Increase its flexibility & opacity

C. Increase its brightness

D. Increase its thickness

A. Filter aid

B. White lead

C. Explosive

A. Extractive distillation

C. Evaporator in calandria

D. Ternary Azeotropic distillation

A. Controlling timber degradation by ants

C. Potato beetle

D. Controlling poultry lice

B. None of these

C. Polythene

D. Poly vinyl chloride

A. SO3 for each 100 kg of H2SO4

C. None of these

D. H2SO4 and 80kg of SO3

A. Reduce the bacterial load on filter

B. Control taste and odour

D. Remove residual turbidity

B. Shaving

C. Transparent

D. Metallic

A. Regenerated cellulose nitrate

B. Regenerated cellulose acetate

C. Cellulose nitrate

A. H2SO7

B. H2SO4

C. H2SO3

A. Pyrolysis

B. Catalytic cracking

D. Catalytic dehydrogenation

A. Is an abrasive material

B. Is a monomer

C. Employs addition polymerisation

B. O2 & H2

C. Cl2 & Na

D. Cl2 & H2

B. 0.6

C. 3.8

D. 2.2