A. 12

B. 0.3

D. 22

A. Tensile strength

B. Resistance to the action of organic solvent

C. Maximum service temperature

A. Impart water resistance

B. Smoothen the leather

D. Make it flexible

A. Potassium sulphate

C. Calcium sulphate

D. Potassium chlorate

A. Has low free fatty acid content

B. Is odourless

D. Has more of unsaturates

A. Hydrolysis tendency in presence of water

B. Poor oxidation stability and high gum forming tendency

C. Greater tendency of decomposition at elevated temperature

B. Hydrocracking

C. Hydrolysis

D. Oxidation

A. Celestite

B. Gypsum

C. Galena

A. Polythene

C. Polyvinyl chloride

D. Teflon

A. As a plasticiser for unsaturated polyester

B. As an anti-skinning agent in paint

D. None of these

A. Sulphite pulp

C. Mechanical pulp

D. Rag pulp

A. None of these

B. Act as tarnish inhibitor for metals like German silver

C. Attain distinctiveness from other brands

D. teness appearance of white fabrics</strong>

A. All A, B. and C.

B. Tar neutralises the residual acids present in pitch

C. Its calorific value is very less

D. ssure drop</strong>

A. Colloids

B. Emulsion

D. Gel

A. Phosphoric acid

B. Hydrochloric acid

D. Hydrofluoric acid

A. Number of nitrogen atoms between two carbon atoms are 6

B. Number of carbon atoms between two nitrogen atoms are 6

C. Polymer was first synthesised in 1966

B. Aqua regia

C. Hypo

D. Plaster of Paris

A. Soda lime

B. Lead

C. Alkali silicate

B. BaSO4

C. CaSO4

D. MgSO4

B. 35

C. 5

D. 10

A. Making oxygen

B. Producing helium

D. Making nitrogen

A. Oleum

C. Dilute sulphuric acid

D. Sulphurous acid

B. Rhombic sulphur

C. Milk of sulphur

D. Monoclinic sulphur

B. Is a reaction between an alcohol and an organic acid

C. Is reversible

D. Produces soap

A. Chance

B. Tromp

C. Chamber

A. Endothermic

B. None of these

D. Autocatalytic

A. Flocculate the impurities

B. Facilitate fast filtration

D. Neither A. nor B.

A. Subjected to galvanising

B. All A , B. and C.

C. Mainly CaO

A. Starting material for the production of iodine

B. By-product of chlor-alkali industry

D. Unsaturated fat

A. Detergents

B. Fatty acid

C. Fatty alcohols

A. High cost

C. Fragile nature

D. Easy poisoning tendency

A. Which is a substitution reaction

C. In presence of sunlight

D. In absolute dark

B. Removing turbidity

C. Control of bacteria

D. Corrosion control

A. Flint

B. Pyrex

C. All A, B. & C

A. Phosphates

B. Bi-carbonates

D. Sulphates

A. Calcium perchlorate

B. Soda lime

D. None of these

A. Should not be used as it spoils the cloth

B. Pose problem in sewerage plant

C. Have an isoparaffinic structure

A. -53

B. -103

C. -196

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

C. Simply boiling

D. Adding alum

A. Common salt

B. Bromine

D. Magnesium & potassium compounds

B. To produce polyester resin

C. To produce benzene

D. As a plasticiser for unsaturated polyester

A. Siderite

B. Quartz

D. Chalcopyrite

A. Ammonium sulphate

C. Hydrochloric acid

D. Nitric acid

A. Osmosis

B. Absorption

C. Adsorption

A. Cement

B. None of these

C. Lime from limestone

A. Require more power

B. Produce lower concentration NaOH

D. Require lower initial investment

B. Do not soften on application of heat

C. Are solvent insoluble

D. Are heavily branched molecules

A. Can be repeatedly melted

B. Is useful for spinning

D. Is useful for melt casting

A. Vanaspati

B. Detergent

D. Mercaptans

A. Is a polyester

C. Is an elastomer

D. Cannot be used for surface coatings