A. Calcium silicate

B. Calcium sulphate

C. Blue vitriol

A. Produces 70% NaOH solution

B. All A , B. and C

D. Requires less specific power consumption for the production of chlorine

A. Board

C. Wrapping

D. Tissue

A. Plasticiser

C. Explosive

D. Rocket propellant

B. 55

C. 15

D. 70

A. Distillation

B. Dehydration

D. Dehydrogenation

A. None of these

B. Soften on application of heat

C. Are solvent soluble

A. Calcite

C. Slaked lime

D. Limestone

B. Fixed

C. Entrained

D. Fluidised

A. Hydrolysis

B. Dehydration

C. Loss of CO2

B. Remove CO2 & H2O

C. Sinter the ore

D. Dehydrate it

A. Starch

B. Maltose

C. Glucose

A. Sand filter

C. Lime soda

D. Permutit

A. Nickel

B. Silica gel

C. Platinum

B. None of these

C. Absence of unsaturation

D. Its smaller molecular weight

A. Solvents

B. Film forming materials

D. Diluents

A. None of these

B. Lead

D. Carbon disulphide

A. Facilitate easy regeneration of zeolite

B. Increase the softening capacity of zeolite

C. All A , B. and C.

B. Have affinity to retain harmful sulphur compounds

C. Are prone to rancid oxidation

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

B. Paint

C. Oil hydrogenation

D. Soap

B. Potassium nitrate

C. Sulphur

D. Charcoal

A. Nitrotoluene

C. Benzene

D. Nitrobenzene

A. Chlorine

C. Bromine

D. Fluorine

A. n-butene

C. Neither A. nor B.

D. Benzene

A. Fibrillation of fibre during paper manufacture is done to develop the strength in paper

B. Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate

C. ber

D. Bagasse fibre contains both lignin & cellulose

A. Tetrachloroethane

B. Trichloromethane

C. Tetrachloromethane

A. Does not allow redeposition of dirt on the cleaned surface

B. None of these

C. Inhibits its corrosive effects

A. Its unsuitability under varying temperature conditions

B. None of these

D. Substantially high change in fluidity of oil with temperature

A. Is done in presence of nickel catalyst

B. Increases their melting point

D. Is an exothermic reaction

A. Extractive distillation

C. Steam distillation

D. Solvent extraction

A. Amorphous isotropic material

C. Electrical insulator

D. Supercooled liquid

B. Calcium sulphate

C. Calcium oxide

D. Calcium carbonate

A. Azoic dyes are mostly applied on cotton fabrics

C. Mordant dyes are applied mainly to wools

D. Basic dyes (e.g. amino derivatives) are applied mostly to paper

A. Ethyl benzene

B. Naphthalene

C. Phenol

A. 10 20 and 40 50

B. 7-14 and 40-50

C. 14 30 and 40-50

B. It is a strong mono basic acid which reacts with almost all the metals except noble metals

C. About 90% of nitric acid is manufactured by Ostwalds process

D. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)

A. Starting material for the synthesis of glycerine

B. Plasticiser for unsaturated polyester

D. Coating ingredient for photographic film

A. Antibiotics

B. Penicillin

D. Pasteurised milk

A. Composed mainly of rosin & fatty acids

C. A black, sticky & viscous liquid

D. Used in the manufacture of greases, emulsions & soaps

A. None of these

B. Baking soda

C. Washing soda

A. Pasteurisation of milk involves moderate heating followed by cooling

B. Enzyme is a complex nitrogenous compound

C. Bakeries and breweries make use of yeasts

B. Sodium silicate

C. Gypsum

D. Carbonates

A. Potash

B. Soda

D. Flint

B. Lignin

C. Both A. & B.

D. None of these

A. Celluloid

B. Bakelite

C. Dacron

A. Na2CO3.10H2O

C. Na2HCO3

D. Na2CO3

A. None of these

B. It is very corrosive at elevated temperature

C. It decomposes on further increasing the temperature

D. ther reduced)</strong>

A. Less susceptible to chemical attack by molten fluxes and gases etc

B. Having very high thermal conductivity

C. Very strong

A. Dilute H2SO4

C. Tri-butyl phosphate

D. Chilled water

B. Low fusion point of ash

C. High sulphur content

D. High ash content