1994-4-e-chtech-1mark

Match the appropriate catalyst with the process.

• I. hydrogenation of vegetable oils

Answer 1A. IronC. NickelB. PlatinumD. Zeolites

• II. ammonia synthesis

Answer 2A. IronC. NickelB. PlatinumD. Zeolites

1998-10-chtech-5mark

Each item of equipment mentioned in the left hand column is identified with the manufacturing process for one of the products mentioned in the right hand column. Match the equipment with the corresponding product.

• I. Fermentor

Answer 1H. Sodium metalD. Di ammonium phosphateA. Ammonium nitrateE. Sulfuric acidC. Caustic sodaB. Ethanol from molassesF. CementG. Yellow phosphorus

• II. Membrane cell

Answer 2H. Sodium metalD. Di ammonium phosphateA. Ammonium nitrateE. Sulfuric acidC. Caustic sodaB. Ethanol from molassesF. CementG. Yellow phosphorus

• III. Waste heat boiler

Answer 3H. Sodium metalD. Di ammonium phosphateA. Ammonium nitrateE. Sulfuric acidC. Caustic sodaB. Ethanol from molassesF. CementG. Yellow phosphorus

• IV. Rotary kiln

Answer 4H. Sodium metalD. Di ammonium phosphateA. Ammonium nitrateE. Sulfuric acidC. Caustic sodaB. Ethanol from molassesF. CementG. Yellow phosphorus

• V. Prilling tower

Answer 5H. Sodium metalD. Di ammonium phosphateA. Ammonium nitrateE. Sulfuric acidC. Caustic sodaB. Ethanol from molassesF. CementG. Yellow phosphorus

1998-2-4-chtech-2mark

Each of the chemicals mentioned in the left hand column is very closely linked with one specific industry mentioned in the right hand column. Match each chemical with the corresponding industry.

• I. Titanium dioxide

Answer 1A. DetergentsE. Nuclear fuelsD. Synthetic fibresF. Synthetic RubberC. Paints and PigmentsB. Soaps

• II. Purified Terephthalic Acid

Answer 2A. DetergentsE. Nuclear fuelsD. Synthetic fibresF. Synthetic RubberC. Paints and PigmentsB. Soaps

1998-2-5-chtech-2mark

Each of the byproducts/ coproducts mentioned in the left hand column is linked to one of the main products mentioned in the right hand column. Match the byproducts/ coproducts with the corresponding main products.

• I. Glycerin

Answer 1E. SoapF. SugarD. AntibioticsB. Soda AshC. Battery grade MnO2A. Rocket propellant

• II. Ammonium chloride

Answer 2E. SoapF. SugarD. AntibioticsB. Soda AshC. Battery grade MnO2A. Rocket propellant

1998-2-6-chtech-2mark

Each of the techniques/ processes/ operations mentioned in the left hand column is closely related to a specific industry mentioned in the right hand column. Match each technique/ process/ operation with the appropriate industry.

• I. Granulation

Answer 1F. GlassE. Phosphoric AcidB. Petroleum refiningA. CementC. Ammonium PhosphatesD. Urea

• II. Fluid Catalytic Cracking

Answer 2F. GlassE. Phosphoric AcidB. Petroleum refiningA. CementC. Ammonium PhosphatesD. Urea

2000-2-21-chtech-2mark

Select the process from the right-hand column which matches with the catalyst given in the left-hand column.

• Nickel

  
  

Answer 1Methanol synthesisEthylene oxide manufactureCatalytic cracking of gas oilHydrogenation of vegetable oilsAmmonia synthesisSulfuric acid manufactureNitric acid manufactureAlkylation

• Zeolites

  
  

Answer 2Methanol synthesisEthylene oxide manufactureCatalytic cracking of gas oilHydrogenation of vegetable oilsAmmonia synthesisSulfuric acid manufactureNitric acid manufactureAlkylation

1996-2-14-chtech-2mark

A typical example of an exothermic reaction conducted at high pressures in industry is

• dehydration of ethanol

• methanol synthesis

• reformation of methane

• polymerisation of ethylene

2002-1-18-chtech-1mark

From among the following, choose one that is NOT an exothermic process

• Methanol synthesis

• Catalytic cracking

• Ammonia synthesis

• Oxidation of sulphur

2002-2-25-chtech-2mark

Consider the production of ammonia from methane and air as raw materials. The catalysts used are (A)________ for steam reforming of methane and (B) ________ for ammonia synthesis.

• (A) Ni/Al₂O₃ (B) Cu-ZnO/Al₂O₃

• (A) Fe/Al₂O₃ (B) Cu-ZnO/Al₂O₃

• (A) Ni /Al₂O₃ (B) Fe/Al₂O₃

• (A) Fe/Al₂O₃ (B) Ni/Al₂O₃

2003-87-chtech-2mark

Match the items in Group 1 with the items in Group 2

Group - 1	Group - 2
(P) Calcium ammonium nitrate	(1) Fertilizer industry
(Q) CaCl2 - NaCl liquor	(2) Paper and Pulp industry
	(3) Soda ash industry

• P - 1, Q - 3

• P - 1, Q - 2

• P - 3, Q - 1

• P - 2, Q - 3

2003-88-chtech-2mark

Match the items in Group 1 with the items in Group 2.

Group - 1	Group - 2
(P) Black liquor	(1) Petroleum refining
(Q) Activated silica alumina	(2) Sugar factory
(R) Press mud

• P - 1, R - 2

• P - 2, Q - 1

• Q - 1, R - 2

• Q - 2, R - 1

2004-88-chtech-2mark

Match the product in Group I with the raw materials in Group II.

Group I	Group II
P. Urea	1. Ammonia and carbon dioxide
Q. Polyester	2. Dimethyl terephthalate and ethylene glycol
	3. Ammonia and carbon monoxide
	4. Hexamethylene diamine and adipic acid

• P - 1, Q - 4

• P - 3, Q - 2

• P - 4, Q - 3

• P - 1, Q - 2

2004-90-chtech-2mark

Match the process in Group I with the catalyst used in Group II.

Group I	Group II
P. Sulfuric acid manufacture	1. Platinum
Q. Vegetable oil hydrogenation	2. Vanadium pentoxide
	3. Iron
	4. Raney nickel

• P - 3, Q - 1

• P - 2, Q - 1

• P - 2, Q - 4

• P - 4, Q - 2

2005-78-chtech-2mark

Match the product in Group I with the catalyst used for its production in Group II.

Group I	Group II
(P) Nitric acid	(1) Silver oxide
(Q) Formaldehyde	(2) Raney nickel
	(3) Activated carbon
	(4) Platinum-Rhodium

• P - 1, Q - 2

• P - 2, Q - 3

• P - 3, Q - 4

• P - 4, Q - 1

2006-66-chtech-2mark

Pair the following industrial processes with the catalysts used.

P. Oxidation of o-xylene to phthalic anhydride	1. V2O5
Q. Oxidation of ethanol to acetaldehyde	2. Pd
R. Oxidation of ammonia to oxides of nitrogen	3. Ag
	4. Pt

• P - 1, Q - 3, R - 4

• P - 2, Q - 1, R - 4

• P - 4, Q - 3, R - 1

• P - 1, Q - 3, R - 2

2006-67-chtech-2mark

Pair the following reactors with their products

P. Arc Furnace	1. Citric acid
Q. Fermenter	2. Calcium carbide
R. Hydrogenator	3. Saturated fats
	4. Alum

• P - 4, Q - 1, R - 3

• P - 2, Q - 1, R - 3

• P - 4, Q - 3, R - 1

• P - 2, Q - 3, R - 1

2006-69-chtech-2mark

Choose the most appropriate pairs from the following

P. Nitration	1. Detergent
Q. Sulphonation	2. Pulp and paper
R. Carbonation	3. Explosives
	4. Sugar

• P - 1, Q - 2, R - 4

• P - 3, Q - 1, R - 2

• P - 3, Q - 1, R - 4

• P - 3, Q - 2, R - 4

2006-70-chtech-2mark

Match the following.

P. Carbon disulphide	1. Nylon - 6
Q. Caprolactum	2. Nylon - 66
R. Gypsum	3. Phosphoric acid
	4. Viscose rayon

• P - 4, Q - 2, R - 3

• P - 2, Q - 1, R - 3

• P - 3, Q - 1, R - 4

• P - 4, Q - 1, R - 3

2007-67-chtech-2mark

Match the chemicals in Group 1 with their function in Group 2.

Group 1	Group 2
P. styrene	(1) buffer
Q. tert-dodecyl mercaptan	(2) catalyst
R. potassium pyrophosphate	(3) modifier
	(4) monomer

• P - 1, Q - 4, R - 4

• P - 4, Q - 1, R - 2

• P - 4, Q - 1, R - 3

• P - 4, Q - 3, R - 1

2008-68-chtech-2mark

Match the unit processes in Group 1 with the industries in Group 2.

Group 1	Group 2
(P) Saponification	(1) Petroleum refining
(Q) Calcination	(2) Synthetic fibres
(R) Alkylation	(3) Cement
	(4) Soaps and Detergents

• P - 1, Q - 3, R - 4

• P - 2, Q - 3, R - 4

• P - 4, Q - 2, R - 1

• P - 4, Q - 3, R - 1

2012-46-chtech-2mark

Match the process in Group I with the catalyst in Group II.

Group I	Group II
P. Fischer-Tropsch synthesis	I. Nickel
Q. Formaldehyde from methanol	II. Fe2O3
R. Hydrogenation of vegetable oils	III. Silver
S. Dehydrogenation of ethylbenzene	IV. Cobalt

• P - III, Q - IV, R - I, S - II

• P - IV, Q - II, R - I, S - III

• P - IV, Q - III, R - I, S - II

• P - III, Q - IV, R - II, S - I

2013-43-chtech-2mark

Identify which of the following statements are FALSE.

16. Oils with an oleic radical (1 double bond) are more suitable than oils with a linolenic radical (3 double bonds) as film forming vehicles for paints
17. Production of synthesis gas from coal and steam is an endothermic process
18. Use of chlorine for bleaching of wood pulp results in the release of dioxins
19. In the manufacture of urea from ammonia, the main intermediate product formed is ammonium bicarbonate

• P and Q only

• R and S only

• Q and R only

• P and S only

2015-24-chtech-1mark

Match the technologies in Group-1 with the entries in Group-2:

P. Urea manufacture	I. Microencapsulation
Q. Coal gasification	II. Ultra-low sulfur diesel
R. Controlled release of chemicals	III. Shale oil
S. Deep hydrodesulfurization	IV. Prilling tower
	V. Gas hydrates
	VI. Gas-solid non-catalytic reaction

• P - I, Q - IV, R - II, S - VI

• P - IV, Q - VI, R - I, S - II

• P - IV, Q - I, R - III, S - II

• P - V, Q - VI, R - IV, S - II

2016-25-chtech-1mark

Match the industrial processes in Group-1, with the catalyst materials in Group-2.

	Group-1		Group-2
P	Ethylene polymerisation	I	Nickel
Q	Petroleum feedstock cracking	II	Vanadium pentoxide
R	Oxidation of SO2 to SO3	III	Zeolite
S	Hydrogenation of oil	IV	Aluminium triethyl with titanium chloride promotor

• P-IV, Q-III, R-II, S-I

• P-I, Q-IV, R-III, S-II

• P-I, Q-II, R-III, S-IV

• P-II, Q-III, R-IV, S-I

2017-55-chtech-2mark

Match the equipment in Group-1 with the process is Group-2.

Group-1	Group-2
P) Fluidized bed	I) Paper-making
Q) Multistage adiabatic reactor with inter-stage cooling	II) Sodium hydroxide manufacture
R) Fourdrinier machine	III) SO2 oxidation
S) Diaphragm cell	IV) Catalytic cracking

Choose the correct set of combinations.

• P-IV, Q-III, R-I, S-II

• P-IV, Q-III, R-II, S-I

• P-III, Q-IV, R-I, S-II

• P-III, Q-IV, R-II, S-I