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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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