A. Vitamin

B. Analgesic drug

C. Anaesthetics

D. Anti-malarial drug

A. Bleaching powder

B. Slaked lime

C. Alum

D. Copper sulphate

A. Na₂CO₃

B. NaHCO₃

C. Na₂CO₃.H₂O

D. Na₂CO₃.10H₂O

A. Evaporation and burning the concentrate followed by causticisation of products

B. Multi-effect evaporation only

C. Selective liquid extraction

D. Extractive distillation

A. CaCO₃

B. MgCO₃

C. K₂CO₃

D. Na₂CO₃

A. Chlorine

B. Ammonium chloride

C. Sodium carbonate

D. Sodium bi-carbonate

A. Sulphur

B. Bromine

C. Platinum

D. Alumina

A. Cutting and welding by oxy-acetylene flame

B. Hospitals for medicinal purposes

C. Gas masks and artificial breathing apparatus

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

A. Remove residual turbidity

B. Reduce the bacterial load on filter

C. Control taste and odour

D. Remove chlorinous taste

A. Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)

B. Inhibits its corrosive effects

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

D. None of these

A. Solvay

B. Ostwald's

C. Haber's

D. None of these

A. Employs addition polymerisation

B. Employs condensation polymerisation

C. Is a monomer

D. Is an abrasive material

A. CaO & SiO₂

B. SiO₂ & Al₂O₃

C. CaO & Al₂O₃

D. CaO & Fe₂O₃

A. NaOH

B. H₂SO₄

C. Hydrazine

D. Alum solution

A. Cement

B. Lime from limestone

C. Slaked lime from quick lime

D. None of these

A. Independent of

B. Directly proportional to

C. Inversely proportional to

D. Proportional to the square of

A. Cl₂ & Na

B. Cl₂ & H₂

C. O₂ & H₂

D. Cl₂, H₂ & NaOH solution

A. The number of grams of iodine taken up by 100 gm of oil or fat

B. A measure of its unsaturation

C. Helpful in findings its adulteration & its suitability for making soap

D. Independent of the type of oil, whether it is drying or non-drying

A. Styrene

B. Naphthalene

C. Phenol

D. Benzoic acid

A. Flammable in nature

B. Used in color discharge tube

C. Filled in lamps having tungsten filament

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

A. Oxidising

B. Reducing

C. Complex forming

D. Photochemical

A. Copper

B. Lead

C. Tin

D. Iron

A. Hydrogenation

B. Oxidation

C. Hydrolysis

D. Hydrocracking

A. Mixture of glycerides

B. Mixture of glycerides of fatty acids

C. Solid at normal temperature

D. Ester of alcohols other than glycerine

A. Pig iron

B. Steel

C. Copper

D. Zinc

A. Cellulose nitrate

B. Regenerated cellulose nitrate

C. Cellulose acetate

D. Regenerated cellulose acetate

A. Produces high density polyethylene

B. Produces low density polyethylene

C. Uses no catalyst

D. Employs very high pressure

A. Poor oxidation stability and high gum forming tendency

B. Greater tendency of decomposition at elevated temperature

C. Hydrolysis tendency in presence of water

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

A. Palmitic

B. Oleic

C. Stearic

D. Oxalic

A. Amorphous isotropic material

B. Supercooled liquid

C. Material with sharp definite melting point

D. Electrical insulator

A. Fluorine

B. Chlorine

C. Bromine

D. Iodine