29 + Interview Questions in Chemical Industries in Chemical Technology Page 1 InterviewSolution

1.	Which of the mentioned symbol is used to represent Natural Gas?(a) NT(b) NG(c) NA(d) NLThis question was posed to me in a national level competition.Origin of the question is Chemical Industries in division Chemical Industries of Chemical Technology
Answer» RIGHT CHOICE is (B) NG To explain I would say: NATURAL Gas is represented using the symbol NG.

Discussion

2.	What is India’s rank in world’s deposit of Manganese?(a) 1^st(b) 2^nd(c) 3^rd(d) 4^thThis question was posed to me in semester exam.The doubt is from Chemical Industries topic in portion Chemical Industries of Chemical Technology
Answer» The correct CHOICE is (c) 3^rd The BEST explanation: INDIA ranks third in world DEPOSITS of Manganese.

Discussion

3.	Identify the organic chemical from the mentioned?(a) Benzene(b) Silicates(c) Aluminates(d) SulphurI got this question in final exam.I want to ask this question from Organic Chemicals topic in section Chemical Industries of Chemical Technology
Answer» The correct answer is (a) BENZENE Explanation: Benzene’s CHEMICAL formula is C6H6, which HELP us, IDENTIFY it as organic chemical whereas the REST are inorganic, as they don’t posses Carbon, Oxygen, Hydrogen as chief constituents.

Discussion

4.	Which of the mentioned names is apt for Acetic Acid?(a) Methanoic Acid(b) Ethanoic Acid(c) Butanoic Acid(d) Pentanoic AcidThe question was asked by my school principal while I was bunking the class.The origin of the question is Organic Chemicals in chapter Chemical Industries of Chemical Technology
Answer» CORRECT OPTION is (b) Ethanoic Acid Easy explanation: Acetic acid’s formula is CH3COOH, which consists of acetyl group (ETHANOYL group), So Acetic Acid can also be called as ethanoic acid (PRESENCE of 2 carbons).

Discussion

5.	High purity oxygen in used in which of the mentioned cases?(a) Combustion(b) Medical purposes(c) Chemical reactions(d) Oxidation processesI had been asked this question at a job interview.The doubt is from Inorganic Chemicals in section Chemical Industries of Chemical Technology
Answer» The correct answer is (b) Medical purposes For explanation I WOULD SAY: Medical purposes NEED 100% pure oxygen for respiration whereas the MENTIONED options take up the available free oxygen.

Discussion

6.	What is the capacity of the refinery by Reliance Industry? Where is it located?(a) 10 million ton, Assam(b) 15 million ton, Jamnagar(c) 10 million ton, Ahmedabad(d) 15 million ton, GandhinagarI have been asked this question in exam.Enquiry is from Organic Chemicals in portion Chemical Industries of Chemical Technology
Answer» Correct option is (b) 15 MILLION TON, Jamnagar To explain I would say: Reliance Industry STARTED one of the largest refineries in Jamnagar whose capacity is 15 million ton.

Discussion

7.	What is India’s contribution to Iron ore reserves of total world?(a) 10%(b) 20%(c) 5%(d) 30%I got this question in exam.Asked question is from Chemical Industries in section Chemical Industries of Chemical Technology
Answer» The correct choice is (c) 5% For explanation: IRON ORE reserves are ESTIMATED about 20 billion tons or 5% of the total world reserves.

Discussion

8.	Which of the mentioned can be used as raw material to manufacture sulphuric acid?(a) Iron pyrites(b) Elemental Sulphur(c) Hydrogen Sulphide(d) All of the mentionedI have been asked this question in a job interview.The query is from Inorganic Chemicals topic in chapter Chemical Industries of Chemical Technology
Answer» Right option is (d) All of the MENTIONED To explain I would say: Iron pyrites (FeS), Elemental Sulphur(S), Hydrogen Sulphur(H2S) all the mentioned has Sulphur so they can be used as raw MATERIAL to MANUFACTURE sulphuric ACID.

Discussion

9.	Which of the mentioned is a principal mineral asset to India?(a) Coal(b) Rare Earths(c) Zinc(d) All of the mentionedI had been asked this question in an interview for internship.Asked question is from Chemical Industries in section Chemical Industries of Chemical Technology
Answer» RIGHT answer is (a) Coal For explanation I WOULD say: India’s coal RESERVES are ESTIMATED at over 40 billion tons.

Discussion

10.	Which of the mentioned symbol is used to represent Cement plants?(a) Cem(b) Cmp(c) Cep(d) CmtThe question was asked in quiz.I want to ask this question from Chemical Industries in division Chemical Industries of Chemical Technology
Answer» Correct choice is (a) Cem For EXPLANATION I would say: Cement PLANTS are REPRESENTED by the SYMBOL Cem.

Discussion

11.	How many minerals are extracted approximately in our country from 4000 mines?(a) 58(b) 60(c) 70(d) 80I got this question during an online interview.I want to ask this question from Chemical Industries in section Chemical Industries of Chemical Technology
Answer» RIGHT choice is (a) 58 Easiest explanation: The country’s MINING operation will EXTRACT nearly 58 minerals from 4000 MINES.

Discussion

12.	Which of the mentioned raw material does India lack in adequate quantity?(a) Iron ore(b) Petroleum(c) Manganese(d) MicaI got this question during an interview.I'm obligated to ask this question of Chemical Industries topic in division Chemical Industries of Chemical Technology
Answer» CORRECT choice is (b) Petroleum To elaborate: The total demand for petroleum PRODUCTS is projected to be 55 million tons by the end of 7th plan and expected to INCREASE to 90 million tons, whereas the production LEVEL is 20 million tons.

Discussion

13.	Linde’s cycle uses which of the following effects?(a) Newton’s law of cooling(b) Fouriers law(c) Joule Thomson cooling(d) Fick’s lawI had been asked this question during an interview.My enquiry is from Inorganic Chemicals topic in portion Chemical Industries of Chemical Technology
Answer» Right answer is (C) Joule THOMSON cooling The BEST explanation: Linde’s CYCLE achieves liquefaction of gases by expansion through a throttle valve adiabatically which is KNOWN as Joule-Thomson cooling.

Discussion

14.	Cryogenics deal with which of the following mentioned?(a) Production and utilization of low temperatures from 0 K to 123K(b) Production and utilization of low temperatures from 0 K to 273.15 K(c) Production and utilization of high temperatures from 273.15Kto 1000K(d) Production and utilization of high temperatures from 273.15K to 500KThe question was posed to me during an online exam.The question is from Inorganic Chemicals topic in section Chemical Industries of Chemical Technology
Answer» Correct choice is (a) Production and UTILIZATION of LOW temperatures from 0 K to 123K Easiest explanation: Cryogenics deal with SUB zero temperatures the least MENTIONED in the options is 0K to 123K.

Discussion

15.	Which of the mentioned is the simplest method of producing ethylene on large scale?(a) Thermal cracking of ethane(b) Deoxidation of ethylene oxide(c) Dehydration of ethanol(d) Dehalogenation of Ethyl ChlorideI had been asked this question by my school principal while I was bunking the class.The query is from Organic Chemicals topic in division Chemical Industries of Chemical Technology
Answer» The correct option is (a) Thermal cracking of ETHANE Easy EXPLANATION: Steam/Thermal cracking if ethane is the easiest and economical means to produce ethylene on large scale, the rest of the reactions are not feasible due to LOW conversion, However, on laboratory scale ‘C’ can be ACHIEVED.

Discussion

16.	Which of the mentioned are the principal constituents of an organic compound?(a) Carbon, Oxygen and Nitrogen(b) Carbon, Oxygen and Hydrogen(c) Carbon, Oxygen and Sulphur(d) Carbon, Oxygen and SulphurThe question was posed to me during an interview.This question is from Organic Chemicals topic in section Chemical Industries of Chemical Technology
Answer» Right option is (B) Carbon, Oxygen and HYDROGEN The EXPLANATION is: Any compound containing Carbon, Hydrogen and Oxygen as principal CONSTITUENTS is an organic compound.

Discussion

17.	India is a world’s major producer of which of the mentioned raw material?(a) Manganese(b) Mica(c) Bauxite(d) CopperI had been asked this question in an online quiz.The doubt is from Chemical Industries topic in portion Chemical Industries of Chemical Technology
Answer» RIGHT OPTION is (b) MICA Best explanation: India is the world’s major producer of mica, SUPPLYING 80% of the world OUTPUT.

Discussion

18.	Which of the mentioned are constituents of producer gas?(a) CO, N2, H2(b) CO, H2(c) H2, CH4, CO(d) LPGThis question was addressed to me in an online interview.This interesting question is from Inorganic Chemicals topic in portion Chemical Industries of Chemical Technology
Answer» The correct CHOICE is (a) CO, N2, H2 Explanation: PRODUCER gas is PRODUCED from Coke, Air, and Steam as raw materials. So, CO,N2 and H2 will be the consituents.

Discussion

19.	Molecular weight of perchloroethylene is approximately? (Cl-35.5, C-12)(a) 165(b) 166(c) 167(d) 168This question was addressed to me in a national level competition.My query is from Organic Chemicals topic in division Chemical Industries of Chemical Technology
Answer» The correct option is (b) 166 Easiest explanation: Perchloroethane’s formula is C2Cl4. THEREFORE, its WEIGHT will be 122+35.54 = 166.

Discussion

20.	The three major components that are necessary in a fertilizer are?(a) Na, K, S(b) N, P, S(c) N, Cl, K(d) N, P, KThis question was addressed to me during an online exam.This is a very interesting question from Inorganic Chemicals topic in chapter Chemical Industries of Chemical Technology
Answer» The CORRECT CHOICE is (d) N, P, K Best explanation: Nitrogen promotes DEVELOPMENT of stems and leaves, PHOSPHORUS stimulates early growth and accelerates seeding and Potassium is essential for development of grains, sugars etc.

Discussion

21.	Which of the mentioned is the formula of Oleum?(a) H2S2O8(b) H2S2O6(c) H2S2O7(d) H2S2O5The question was posed to me during an online exam.I'm obligated to ask this question of Inorganic Chemicals in section Chemical Industries of Chemical Technology
Answer» Right option is (c) H2S2O7 The EXPLANATION is: Oleum – (H2SO4+SO3) which on SUMMING up the LIKE compounds will GIVE H2S2O7.

Discussion

22.	Which of the mentioned can be used as an explosive and a fertilizer?(a) Ammonium Carbamate(b) Urea(c) Ammonium Chloride(d) Ammonium NitrateThis question was posed to me in homework.I'm obligated to ask this question of Inorganic Chemicals in section Chemical Industries of Chemical Technology
Answer» The correct OPTION is (d) Ammonium NITRATE Explanation: Ammonium nitrate when exposed to high temperatures or mixed with COMBUSTIBLE MATERIALS EXPLODES.

Discussion

23.	Pyrolsis of CCl4 will result in which of the mentioned compound?(a) Perchloroethylene(b) Trichloroethylene(c) Dichloroethylene(d) Hypochlorous acidThis question was addressed to me in an online interview.This key question is from Organic Chemicals topic in portion Chemical Industries of Chemical Technology
Answer» CORRECT OPTION is (a) Perchloroethylene Easiest explanation: Pyrolysis is breaking down of molecules, when two MOLES of percholoroethylene is taken and pyrolysis is done, it YIELDS perchloroethane and chlorine.

Discussion

24.	In the manufacture of Acetylene (C2H2) by Wulff Process, Which of the following methods is involved?(a) Heating of copper tube(b) Use of Calcium Carbide(c) Reforming(d) Pyrolsis of hydrocarbonsThis question was posed to me during an internship interview.My question is from Inorganic Chemicals in section Chemical Industries of Chemical Technology
Answer» Correct answer is (d) PYROLSIS of hydrocarbons Explanation: Except option ‘Pyrolsis of hydrocarbons’, The OTHERS also yield C2H2 but Wulff PROCESS is where Pyrolysis occurs. Eg: From propane –C3H8 → C2H2 + C2H4 + CH4 + CO + H2 + CO2

Discussion

25.	Natural Gas largely constitutes of which of the mentioned?(a) Ethane(b) Methane(c) Butane(d) PentaneI had been asked this question in a job interview.I need to ask this question from Organic Chemicals in section Chemical Industries of Chemical Technology
Answer» The CORRECT choice is (b) METHANE To explain: Methane is one of the MAJOR CONSTITUENTS of Natural Gas (about 75%).

Discussion

26.	Which of the mentioned can also be a formula of acetic acid?(a) C2H4O2(b) C2H4O3(c) CH4O2(d) C3H4OI got this question during a job interview.Query is from Organic Chemicals topic in portion Chemical Industries of Chemical Technology
Answer» The correct choice is (a) C2H4O2 For explanation I WOULD say: Acetic acid’s formula is CH3COOH, summing up all Carbons, Hydrogen and OXYGEN will result in C2H4O2.

Discussion

27.	Which of the mentioned symbol is used to represent Bauxite?(a) Ba(b) Bx(c) Bu(d) BtThe question was asked during an interview.This key question is from Chemical Industries in section Chemical Industries of Chemical Technology
Answer» The CORRECT CHOICE is (b) Bx For explanation I WOULD say: BAUXITE is represented by Bx.

Discussion

28.	Ammonia manufactured by Haber’s process uses which of the mentioned as catalyst?(a) Iron(b) Molybdenum(c) Titanium(d) ZincThis question was posed to me in my homework.This intriguing question originated from Inorganic Chemicals topic in chapter Chemical Industries of Chemical Technology
Answer» Right answer is (a) IRON For explanation I WOULD SAY: In HABER’s process, Iron is used as catalyst and Molybdenum is used as promoter.

Discussion

29.	Which symbol is used to represent Fertilizer?(a) Fe(b) Fz(c) Fr(d) FlI had been asked this question in unit test.My enquiry is from Chemical Industries topic in division Chemical Industries of Chemical Technology
Answer» Correct ANSWER is (b) FZ Explanation: Fz is the symbol USED to represent FERTILIZER.

Discussion

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Which of the mentioned symbol is used to represent Natural Gas?(a) NT(b) NG(c) NA(d) NLThis question was posed to me in a national level competition.Origin of the question is Chemical Industries in division Chemical Industries of Chemical Technology

What is India’s rank in world’s deposit of Manganese?(a) 1^st(b) 2^nd(c) 3^rd(d) 4^thThis question was posed to me in semester exam.The doubt is from Chemical Industries topic in portion Chemical Industries of Chemical Technology

Identify the organic chemical from the mentioned?(a) Benzene(b) Silicates(c) Aluminates(d) SulphurI got this question in final exam.I want to ask this question from Organic Chemicals topic in section Chemical Industries of Chemical Technology

Which of the mentioned names is apt for Acetic Acid?(a) Methanoic Acid(b) Ethanoic Acid(c) Butanoic Acid(d) Pentanoic AcidThe question was asked by my school principal while I was bunking the class.The origin of the question is Organic Chemicals in chapter Chemical Industries of Chemical Technology

High purity oxygen in used in which of the mentioned cases?(a) Combustion(b) Medical purposes(c) Chemical reactions(d) Oxidation processesI had been asked this question at a job interview.The doubt is from Inorganic Chemicals in section Chemical Industries of Chemical Technology

What is India’s contribution to Iron ore reserves of total world?(a) 10%(b) 20%(c) 5%(d) 30%I got this question in exam.Asked question is from Chemical Industries in section Chemical Industries of Chemical Technology

Which of the mentioned is a principal mineral asset to India?(a) Coal(b) Rare Earths(c) Zinc(d) All of the mentionedI had been asked this question in an interview for internship.Asked question is from Chemical Industries in section Chemical Industries of Chemical Technology

Which of the mentioned symbol is used to represent Cement plants?(a) Cem(b) Cmp(c) Cep(d) CmtThe question was asked in quiz.I want to ask this question from Chemical Industries in division Chemical Industries of Chemical Technology

How many minerals are extracted approximately in our country from 4000 mines?(a) 58(b) 60(c) 70(d) 80I got this question during an online interview.I want to ask this question from Chemical Industries in section Chemical Industries of Chemical Technology

Which of the mentioned raw material does India lack in adequate quantity?(a) Iron ore(b) Petroleum(c) Manganese(d) MicaI got this question during an interview.I'm obligated to ask this question of Chemical Industries topic in division Chemical Industries of Chemical Technology

Linde’s cycle uses which of the following effects?(a) Newton’s law of cooling(b) Fouriers law(c) Joule Thomson cooling(d) Fick’s lawI had been asked this question during an interview.My enquiry is from Inorganic Chemicals topic in portion Chemical Industries of Chemical Technology

India is a world’s major producer of which of the mentioned raw material?(a) Manganese(b) Mica(c) Bauxite(d) CopperI had been asked this question in an online quiz.The doubt is from Chemical Industries topic in portion Chemical Industries of Chemical Technology

Which of the mentioned are constituents of producer gas?(a) CO, N2, H2(b) CO, H2(c) H2, CH4, CO(d) LPGThis question was addressed to me in an online interview.This interesting question is from Inorganic Chemicals topic in portion Chemical Industries of Chemical Technology

Molecular weight of perchloroethylene is approximately? (Cl-35.5, C-12)(a) 165(b) 166(c) 167(d) 168This question was addressed to me in a national level competition.My query is from Organic Chemicals topic in division Chemical Industries of Chemical Technology

The three major components that are necessary in a fertilizer are?(a) Na, K, S(b) N, P, S(c) N, Cl, K(d) N, P, KThis question was addressed to me during an online exam.This is a very interesting question from Inorganic Chemicals topic in chapter Chemical Industries of Chemical Technology

Which of the mentioned is the formula of Oleum?(a) H2S2O8(b) H2S2O6(c) H2S2O7(d) H2S2O5The question was posed to me during an online exam.I'm obligated to ask this question of Inorganic Chemicals in section Chemical Industries of Chemical Technology

Which of the mentioned can be used as an explosive and a fertilizer?(a) Ammonium Carbamate(b) Urea(c) Ammonium Chloride(d) Ammonium NitrateThis question was posed to me in homework.I'm obligated to ask this question of Inorganic Chemicals in section Chemical Industries of Chemical Technology

Natural Gas largely constitutes of which of the mentioned?(a) Ethane(b) Methane(c) Butane(d) PentaneI had been asked this question in a job interview.I need to ask this question from Organic Chemicals in section Chemical Industries of Chemical Technology

Which of the mentioned can also be a formula of acetic acid?(a) C2H4O2(b) C2H4O3(c) CH4O2(d) C3H4OI got this question during a job interview.Query is from Organic Chemicals topic in portion Chemical Industries of Chemical Technology

Which of the mentioned symbol is used to represent Bauxite?(a) Ba(b) Bx(c) Bu(d) BtThe question was asked during an interview.This key question is from Chemical Industries in section Chemical Industries of Chemical Technology

Ammonia manufactured by Haber’s process uses which of the mentioned as catalyst?(a) Iron(b) Molybdenum(c) Titanium(d) ZincThis question was posed to me in my homework.This intriguing question originated from Inorganic Chemicals topic in chapter Chemical Industries of Chemical Technology

Which symbol is used to represent Fertilizer?(a) Fe(b) Fz(c) Fr(d) FlI had been asked this question in unit test.My enquiry is from Chemical Industries topic in division Chemical Industries of Chemical Technology