17402. Oils and fats are converted to soap in a process called
17403. Glycerine can be obtained from
17404. Blue vitriol is chemically
17405. Trinitro-toluene (TNT) is
17406. Thorium is mainly used
17407. During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
17408. Good quality of edible salt is obtained from brine by the process of
17409. Electric bulbs are made of __________ glass.
17410. Which of the following is used as a binding material in soap to improve soap texture ?
17411. An alkali metal salt of palmitic acid is known as
17412. Washing soda is chemically represented by
17413. Magnesium and calcium __________ cause temporary hardness of water.
17414. Which form of sulphur is the most stable at room temperature ?
17415. Vegetable oils and fats basically differ in their
17416. Average sulphur content in Indian pyrites is about __________ percent.
17417. Oil is a/an
17418. Which of the following is a constituent of coffee ?
17419. Which of the following is the main constituent of the mother liquor produced in salt industry ?
17420. Silicon carbide is a/an
17421. Oxygen is produced by fractionation of air using __________ process.
17422. കേരള സർക്കാറിനു വേണ്ടി ഡോക്യുമെന്റ്റിയും വീഡിയോ പരിപാടികളും നിർമ്മിക്കുന്ന സ്ഥാപനം? [Kerala sarkkaarinu vendi dokyumenttiyum veediyo paripaadikalum nirmmikkunna sthaapanam?]
17423. Trinitrotoluene (TNT), an explosive, is made by the nitration of
17424. Which of the following is used as a coagulant in treating turbid water ?
17425. Carborundum consists mainly of
17426. Wax is a
17427. Catalyst used in the hydrogenation of oil is
17428. Viscose rayon is
17429. Triple superphosphate is manufactured by reacting
17430. Use of hydrated lime in water treatment
17431. Higher vicosity index of a lubricating oil denotes
17432. Le-Blanc process is a primitive process for the manufacture of
17433. How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?
17434. Cement setting under water employs a/an __________ process.
17435. __________ are added in lacquers to remove film brittleness and to improve adhereness.
17436. Washing of coal is done to
17437. Systemic insecticides
17438. Dry ice (solidified CO2) is used for the
17439. 2007-ലെ ചെറുകാട് അവാർഡ് നേടിയതാര്? [2007-le cherukaadu avaardu nediyathaar?]
17440. Chemical formula of BHC, which is an insecticide is
17441. A bio-catalyst produced by living cells which acts independent of the cell is called a/an
17442. Which is not an essential book to be maintained by a Society?
17443. The product obtained on mixing calcium oxide with water is called
17444. The major constituent of black liquor generated during paper manufacture is sodium
17445. Plaster of Paris is
17446. Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an
17447. Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.