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You Are On Multi Choice Question Bank SET 345

17251. Neoprene is a





17252. Saponification value/number of an oil or fat is a measure of its





17253. Ethyl alcohol cannot be produced





17254. Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.





17255. Cement mainly contains





17256. Sand and __________ is fused at 1300°C, to produce sodium silicate.





17257. Coke used for the production of calcium carbide should have





17258. Sucrose is a disaccharide consisting of





17259. Function of sodium thiosulphate (hypo) in development of photographic film/plate is to





17260. High temperature carbonisation of coal takes place at __________ °C.





17261. White phosphorous is stored under water, because





17262. __________ is not a constituent of gun powder.





17263. Hydrophilic group of a soap or detergent solution is





17264. Rotary kiln is not involved in the production of





17265. Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.





17266. Vanillin is a type of





17267. Temporary hardness of water can be removed by





17268. More than 100 percent of __________ is present in oleum.





17269. Pure rectified spirit contains about __________ percent alcohol.





17270. Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.





17271. Titanium dioxide is a/an __________ colour pigment.





17272. Mercury cells for caustic soda manufacture, compared to diaphragm cells





17273. Cellulose percentage in bamboo fibre is about





17274. Essential oils are usually obtained using





17275. Impurities present in brine is normally removed by treatment with





17276. Hydrogenation of oil/fat does not





17277. Solvay process as compared to dual process (i.e. modified Solvay process)





17278. Builders are added in soap to act as





17279. H2S is scrubbed from refinery gases by absorption using





17280. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?





17281. Zeolite is a/an





17282. Type of glass used in optical work is the __________ glass.





17283. Pick out the wrong statement pertaining to the soap manufacture.





17284. Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material ?





17285. Glass is





17286. Analgesic drugs are





17287. Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.





17288. Commonly used glass is known as the __________ glass.





17289. Fusion of limestone and __________ produces high alumina cement.





17290. Massacuits is a terminology used in the __________ industry.





17291. Which Section of KCS Act deals with appointment of liquidator?





17292. The most economical pulp for the production of newsprint would be the __________ pulp.





17293. Which of the following is the second major component of cement ?





17294. Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it





17295. __________ are used as corrosion inhibitor for iron & steel in aqueous solutions.





17296. L.D. converter is used in the production of





17297. The terminology 'BTX' used in coal tar distillation industry refers to





17298. Which of the following is not responsible for causing permanent hardness of water ?





17299. In the Solvay process, the product from the calciner is





17300. Commercially ethylene is produced from naphtha by





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