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You Are On Multi Choice Question Bank SET 349

17451. What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?





17452. __________ acid is the main constituent of cotton seed oil.





17453. Chemical formula of 'salt cake' is





17454. Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in





17455. Nicotine is





17456. Separation of fresh water from sea water can be done by the __________ operation.





17457. Na2CO3.10H2O is called





17458. Reaction of an alcohol with organic acid is called the __________ reaction.





17459. Ethanol amine is produced using ammonia and





17460. __________ acid is an unsaturated fatty acid.





17461. CO & H2 are the constituents of





17462. Economics of 'Solvay Process' depends upon the efficiency of





17463. __________ is a thermosetting plastic.





17464. Na2CO3 is called





17465. Flux addition during smelting of ore is done to





17466. Hydrazine is used in water treatment for the removal of





17467. Direct conversion of chemical energy into electrical energy is done in a





17468. Which of the following is not produced commercially from sea water ?





17469. In 1844,a batch of how many weavers in Rochdale formed a society to purchase raw materials?





17470. Nylon-6 as compared to Nylon-66 is having higher





17471. Digestion of wood-base materials (for manufacture of pulp) is done to





17472. Soap cannot be used with hard water, because





17473. Which of the following is not an antibiotic ?





17474. The most reactive allotropic form of phosphorus is __________ phosphorus.





17475. Plasticisers are added to synthetic plastics to





17476. Rosin soap is added during paper manufacture to





17477. Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by





17478. Carboxymethyl cellulose (CMC) is added in detergents to





17479. Synthesis gas is a mixture of





17480. Which of the following impurities in feed water for high pressure boiler is the most detrimental ?





17481. Which glass is usually used in optical work?





17482. Where is the headquarters of Consumer Fed located?





17483. The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.





17484. Reaction of calcium carbide with water produces a gas, which is used





17485. Salt is the basic raw material for the manufacture of





17486. Industrial Co-operative get financial assistance from





17487. Hydrazine (N2H4) is used mainly as a/an





17488. Hydrocynic acid (HCN) is used as an insecticide for





17489. Molecular weight of plastics ranges from





17490. Acrylonitrile is mainly used in the __________ industry.





17491. The enzyme which converts starch into the disacharides maltose is





17492. Pick out the false statement pertaining to water treatment.





17493. Presence of H2S in raw water (to be chlorinated) results in the





17494. Contact process of sulphuric acid manufacture





17495. Fat dispersed in water is exemplified by





17496. Maleic anhydride is produced by catalytic oxidation of





17497. Catalyst used in the oxidation of benzene to produce maleic anhydride is





17498. Widely used method for the conditioning of boiler feed water is the





17499. Blue colour is imparted to glass by the addition of





17500. In the manufacture of viscose rayon, the raw material used industrially is





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