A. Diastase

B. Maltase

C. Yeast

D. None of these

A. Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%

B. Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%

C. 75% oleum can be produced by distillation of 20% oleum

D. Contact process of sulphuric acid manufacture uses nickel as the catalyst

A. Ammonia

B. Limestone

C. Nitric acid

D. None of these

A. Na₂SO₄

B. CaSO₄

C. MgSO₄

D. BaSO₄

A. Hematite

B. Magnetite

C. Siderite

D. Chalcopyrite

A. Helium

B. Neon

C. Krypton

D. Argon

A. Paint

B. Oil hydrogenation

C. Soap

D. Sugar

A. Impart resistance to penetration by liquids

B. Increase its thickness

C. Increase its flexibility & opacity

D. Increase its brightness

A. Iron-steam reaction

B. Electrolysis of water

C. Steam reforming of naphtha

D. Its cryogenic separation from coke oven gas

A. Remove impurities/gangue

B. Enhance rate of reaction

C. Accelerate reduction of ore

D. Separate slag from metal

A. 20% oleum

B. 65% oleum

C. 78% H₂SO₄

D. 98% H₂SO₄

A. Citric acid

B. Invertage

C. Benzoyl peroxide

D. Ammonium chloride

A. Triglyceride

B. Fatty acids

C. Fatty alcohol

D. Mono esters

A. Remove residual turbidity

B. Reduce the bacterial load on filter

C. Control taste and odour

D. Remove chlorinous taste

A. Binding material for coal briquettes

B. Fuel in rotary kiln

C. Binder in making carbon electrodes

D. All (A), (B) and (C)

A. Lead oxide

B. Zinc oxide

C. Zinc sulphide

D. Cellulosic photographic material

A. Decreases with decrease of thickness of the flakes

B. Increases with the increasing flake size keeping the flake thickness constant

C. Increases considerably with the rise of temperature

D. Decreases as the moisture content of flakes increases

A. Activated carbon

B. Diatomaceous earth

C. Bauxite

D. Bentonite

A. Lignite

B. Sub-bituminous

C. Anthracite

D. Peat

A. Sugar

B. Paper

C. Alcohol from molasses

D. Phenol formaldehyde

A. Air

B. Water

C. Nitrogen

D. Helium

A. Mixture of glycerides

B. Mixture of glycerides of fatty acids

C. Solid at normal temperature

D. Ester of alcohols other than glycerine

A. Alum

B. Limestone

C. Coke

D. Quartz

A. Oxidation of naphthalene

B. Oxidation of benzene

C. Dehydrogenation of ethyl benzene

D. None of these

A. Ethyl magnesium chloride

B. Methyl magnesium chloride

C. Dichlorophenol

D. Monochloroacetic acid

A. Surfactant

B. Builder

C. Optical brightening agent

D. Anti soil redeposition agent

A. CaCO₃

B. ZnO

C. Al₂O₃

D. Fe

A. Pig iron

B. Steel

C. Copper

D. Zinc

A. Hydration

B. Inversion

C. Esterification

D. None of these

A. Kraft method of pulp manufacture can process all types of fibrous raw materials

B. Digestion time for bagasse is less than that for wood base materials

C. Both temperature and pressure in the digestor is less in case of the sulphite method as compared to that in the sulphate method

D. None of these

A. Hexamethylene diamine and adipic acid

B. Hexamethylene diamine and Maleic anhydride

C. Caprolactam

D. Dimethyl terephthalate and ethylene glycol