Chemical Process Quiz 9

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Chemical Process Quiz 9

1 / 50

Sand and _______ is fused at 1300?C, to produce sodium silicate ?

2 / 50

Starting raw material for the manufacture of alum is__________?

3 / 50

SO2 is bubbled through hot sugar cane juice to________?

4 / 50

Stereospecific agents are exemplified by_________?

5 / 50

Separation of fresh water from sea water can be done by the ________ operation ?

6 / 50

Saponification value/number of an oil or fat is a measure of its _____?

7 / 50

Shaving soaps are______?

8 / 50

Removal of dirt/soil by soaps or detergent does not involve the ________ of soil ?

9 / 50

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

10 / 50

Silicon carbide is a/an________?

11 / 50

Rosin soap is added during paper manufacture to______?

12 / 50

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

13 / 50

Sea weeds are an important source of__________?

14 / 50

Setting of plaster of Paris is accompanied with_____?

15 / 50

Rotary kiln is not involved in the production of_____?

16 / 50

Solvent extracted oil_________?

17 / 50

Salt is the basic raw material for the manufacture of______?

18 / 50

Sodium salt of higher molecular weight fatty acid is termed as the ________ soap?

19 / 50

Styrene is produced from ethyl benzene by the process of___________?

20 / 50

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically______?

21 / 50

Pure rectified spirit contains about __________ percent alcohol?

22 / 50

Sodium carbonate (soda ash) is not used in the manufacture of_____?

23 / 50

Sea water contains about ________ ppm of bromine ?

24 / 50

Roasting of metallurgical ores is done mainly to _____?

25 / 50

Reaction of an alcohol with organic acid is called the _________ reaction?

26 / 50

Reaction of calcium carbide with water produces a gas, which is used__________?

27 / 50

Solvent used for extraction of oil is_______?

28 / 50

Resistance to fusion of the refractory under a steady rising temperature condition is called ______ ?

29 / 50

Solvay process is used for the manufacture of______?

30 / 50

Styrene is produced from ethyl benzene by the process of_________?

31 / 50

Riboflavin is a/an______?

32 / 50

Salt cake is chemically represented by__________?

33 / 50

Raw materials used for producing _________ cement does not contain iron oxide?

34 / 50

Sodium chloride content in sea water is about ________ gms/liter?

35 / 50

Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces _________?

36 / 50

Refractory bricks having high thermal conductivity is desirable, when it is to be used in the __________?

37 / 50

Soap cannot be used with hard water, because __________?

38 / 50

Starting raw material for the manufacture of Maleic anhydride is_____?

39 / 50

Silicone is a/an _____?

40 / 50

Rancidity of the fatty oil can be reduced by its___________?

41 / 50

Soaps remove dirt by ______?

42 / 50

Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?

43 / 50

Sizing material is incorporated in paper to_____?

44 / 50

Shrinkage volume in cement setting does not depend upon the _______?

45 / 50

Salt is added in the kettle during soap manufacture to separate _____?

46 / 50

Saponification number of an oil or fat______?

47 / 50

Styrene (a monomer for the production of polystyrene) is commercially produced by ______?

48 / 50

Starting material for the production of styrene butadiene rubber (SBR) is_________?

49 / 50

Refractory bricks burnt at very high temperature have got_______?

50 / 50

Reverse osmosis is normally used for the________?

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