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You Are On Multi Choice Question Bank SET 342

17101. Dacron is a





17102. Rancidity of the fatty oil can be reduced by its





17103. Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like





17104. __________ of rubber decreases after its vulcanisation.





17105. Boiling of water containing temporary hardness produces





17106. Starting material for the commercial production of ethyl alcohol in India is





17107. Phenol formaldehyde





17108. Which of the following is not an insecticide?





17109. Shrinkage volume in cement setting does not depend upon the





17110. Bisphenol A is produced by the condensation of acetone with





17111. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda





17112. Presence of carbonaceous matter in the sewage





17113. A mineral is termed as 'ore', if





17114. In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst





17115. At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system )





17116. Oleum produces fumes of





17117. 20% oleum means that in 100 kg oleum, there are 20 kg of





17118. Chloramines are used in water treatment for





17119. Glycerine is recovered from lye by





17120. Inversion of sucrose produces





17121. Enzymes are organic catalysts used in the __________ reactions.





17122. Linde process of gas liquefaction employs





17123. Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.





17124. Ore concentration by froth floatation utilises the __________ of ore particles.





17125. The main use of activated carbon in water treatment is to control





17126. The most commonly used substance to speed up the sedimentation of sewage is





17127. Sucrose is a





17128. Sugar content in sugarcane on cane basis is about __________ percent by weight.





17129. Which is not a Rochdale principle?





17130. The major use of butadiene is





17131. The manufacture of Kraft pulp is done by a/an __________ process.





17132. Antibiotic





17133. Which of the following paper does not require a filler during manufacture ?





17134. Industrial production of chloroform requires acetone and





17135. Pencillin, an antibiotic drug was discovered by





17136. Styrene (a monomer for the production of polystyrene) is commercially produced by





17137. Hydrogenation of oil takes place in a/an __________ reactor.





17138. Fatty material used in soap making is





17139. __________ glass is used for the manufacture of optical glass.




17140. Thermosetting plastic materials





17141. Favourable conditions for the liquefaction of gases in general are





17142. In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :





17143. __________ nature of hypo (sodium thiosulphate) makes it useful in photography.





17144. __________ is an ore of lead.





17145. Which of the following is an yellow pigment ?





17146. Catalytic oxidation of toluene produces





17147. SO2 is bubbled through hot sugar cane juice to





17148. The noble gas which occurs most abundantly in the atmosphere is





17149. Production of alcohol by fermentation of molasses is an __________ process.





17150. Main constituents of portland cement are calcium aluminate and





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