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ECAT Chemistry Common Chemical Industries in Pakistan Test Online

Mustansar KhanLast Updated: April 19, 2025

Chemistry Common Chemical Industries in Pakistan MCQS Online Test

ECAT Chemistry Common Chemical Industries in Pakistan Chapter Online Test

Total Questions:	72
Time Allowed:	30 Minutes
Total Marks:	72
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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ECAT Chemistry Common Chemical Industries in Pakistan Test

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Page 1 of 3

1. The nitrogen present in some fertilizers help plants

To produce protein

To fight against diseases

To produce fat

To undergo photosynthesis

2. What is clinker?

Roasted calcareous and argillaceous material

Roasted argillaceous material

Roasted gypsum

Roasted calcareous material

3. Which of the following is incorrect statement about nitrogen importance?

It accelerates fruits and flowers growth

It enhances plant growth

It is involved in the chlorophyll synthesis

It is involved in the synthesis of protein and nucleic acids

4. Surfactants are organic compounds, used in detergents which reduce the

Boiling point of water

Viscosity of water

Wetting ability of water

Surface tension of water

5. The %age composition of the auxiliary agent in a detergent is

50%

10%

70%

30%

6. What is clinker?

Roasted calcareous and argillaceous material

Roasted calcareous material

Roasted gypsum

Roasted argillaceous material

7. How many zones through which the charge passes in a rotary kiln?

8. Which of the following potassium fertilizers are more useful for horticultural crops tobacco & potatoes?

KMnO₄

KCI

KNO₃

K₂SO₄

9. Which one of the following is an inorganic fertilizer?

All

Manure

Urea

Ammonium nitrate

10. The number of paper industries in Pakistan are

11. Detergents are

Natural products

Synthetic products

Both A and B

None of these

12. Cement is a mixture of

Lime stone and gypsum

Clay and clinker

Lime stone and clay

Clay lime stone and gypsum

13. Which three elements are needed for the health growth of plants?

N, P, K

S, S, P

N, Ca, P

N, K, C

14. The cooling of molten urea by air in the tower is called

Condensation

Evaporation

Prilling

Crystallization

15. Which one of the following is the macronutrient for plants?

Zinc

Calcium

Nitrogen

Boron

16. What will be the correct sequence of processes involved in pulp making?

Cleaning, digestion, screening, bleaching

Cleaning, screening, digestion bleaching

Cleaning, digestion bleaching screening

Cleaning, screening, bleaching, digestion

17. Ammonia gas used directly as a fertilizer is injected into the soil at a depth of about

Six inches

Three inches

Five inches

Two inches

18. Which of the following nitrogen fertilizer contain more nitrogen?

NH₄NO₃

KNO₃

Urea

NaNO₃

19. Ammonium nitrate fertilizer is not used for which crop

Wheat

Paddy rice

Sugar cane

Cotton

20. Potassium fertilizers are especially useful for

All of these

Potato

Tobacco

Coffee

21. Vanishes are more frequently used on

Iron

Both iron and wood

Plastics

Wood

22. Which of the following is not a synthetic fertilizer

Urea

Calcium phosphate

Dung

Ammonium nitrate

23. Which sequence of steps is correct for the manufacture of cement?

Crushing grinding mixing heating

Crushing mixing heating grinding and mixing

Crushing heating mixing grinding

Mixing heating grinding crushing

24. Micro-nutrients are required in quantity ranging from

6g-200g

6kg-200kg

4kg-40kg

4g-40g

25. Which one of the following raw material is not present in the cement?

Iron oxide

KNO3

Gypsum

Lime stone

Page 2 of 3

26. When equal proportion of CH₃ – I and C₂H₅ – I are treated with Na metal in presence of dry ether, the number of possible hydrocarbons obtained will be

27. Hexamethylene reacts with ________ to prepare nylon 6,6.

Formic acid

None of these

Adipic acid

Acetic acid

28. The nutrients which are required in very small amount for the normal growth of plants are called

All of the above

Micronutrients

Phosphorus fertilizer

Nitrogenous fertilizers

29. Which one of the following fertilizers provide the nitrogen and phosphorus to the plants?

Diammonium phosphate

Potassium nitrate

Calcium super phosphate

Urea

30. Natural fertilizer from plants and animals provide nitrogen

4.5 kg

1.5 kg

6 kg

3.0 kg

31. Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage?

Silica (SiO₂)

Alumina (Al₂O₃)

Magnesia (MgO)

Lime (CaO)

32. The use of detergents is problematic because

Of non-availability

Of water pollution

It deteriorates on health

Of high cost

33. Which woody raw material is used for the manufacture of paper pulp?

Cotton

Rice straw

Poplar

Bugases

34. Which of the following fertilizers is not useful for paddy rice?

Ammonium nitrate

DAP

Ammonium sulphate

Urea

35. The word paper is derived from the name of which reed plant

Sun flower

Water Hyacinth

Papyrus

Rose

36. Which of the following is the most suitable catalyst for ammonia synthesis?

Fe in fused mixture of Al2O3 + SiQ2 + MgO

All of the above

ZnO + Cr2O3

37. Which woody raw material is used for the manufacture of paper pulp?

Bagasse

Poplar

Rice straw

Cotton

38. Ceramics industry deals with the production of

Glass

Paper

Cement

Pottery

39. Calcarious material includes

Chalk

All of these

Marble

Lime stone

40. Which one of the following statement is correct for urea?

It provides micronutrients to the plants

It is an inorganic water soluble compound

It is a synthetic fertilizer

It is a natural fertilizer

41. Which of the following processes is used for the synthesis of cement?

None

Both

Dry process

Wet process

42. Which of the following is a synthetic fertilizer?

Urea

Animal bones

Animal excretes

Plant, leave under fermentation

43. Argillaceous material does not include

Blast furnace slag

Slate

Marine shells

Vlay

44. The %age of nitrogen in urea is

45. Ammonia gas used directly as a fertilizer injected into the soil a depth of about

Six inches

Two inches

Three inches

Five inches

46. Choose the difference between natural and synthetic fertilizers

Shapes

Crop application

Raw material

Usage

47. Natural fertilizer provides phosphorus to plants in the form of P₂O₅

4 kg

1.2 kg

3.2 kg

2.2 kg

48. Which three elements are needed for the healthy growth of plants?

N, P, K

N, Ca, P

N, S, P

N, K, C

49. Which is not a calcareous material?

Line

Marble

Marine shell

Clay

50. The word paper is derived from the name of which reedy plant

Papyrus

Water hyacinth

Sun flower

Rose

Page 3 of 3

51. The fertilizers which provide single nutrient from NPK are called _________ fertilizer.

None of these

Both a and b

Compound

Straight

52. The fertility of soil is improved by

All

Adding lime to the acid salts

Rotation of the crops

Adding manure and growing legumes

53. Cement was introduced by a mason

Humphry Davy

D-H whove

Joseph Aspdin

Freidrik Miescher

54. Usually the percentage of moisture in paper is

1 – 3%

4 – 6%

6 – 8%

55. The compound which does not form iodoform

Acetone

Methyl alcohol

Acetaldehyde

Ethyl alcohol

56. Addition of urea to the soil is _________ reaction.

Endothermic

No heat energy is involved

Exothermic

Both a and b

57. The percentage of nitrogen in urea is

58. How many zones through which the charge passes in a rotary kiln?

59. Asbestos is a (n)

Vegetable fiber

Mineral fiber

Animal fiber

Synthetic fiber

60. Which sequence of processes are correct for the manufacture of urea?

Prilling, carbamate condensation, evaporation, dehydration

Carbamate condensation, evaporation dehydration, prilling

Carbamate condensation, dehydration evaporation, prilling

Dehydration, evaporation, carbamate condensation, prilling

61. Which of the following is macronutrient?

62. Which of these is the most widely used nitrogen fertilizer in Pakistan?

Ammonium sulphate

Urea

Ammonium chloride

Ammonium nitrate

63. The fertilizer contains 33 – 35% N is

Potassium nitrate

Ammonia

Urea

Ammonium nitrate

64. Phosphorus is very useful in the growth of

Seed

Root

Leave

Stem

65. Micro nutrients are required in quality ranging from

6g – 200kg

4g – 40g

6g – 200g

4kg – 40kg

66. In which paper some additive is not added

Art paper

Filter paper

Glazed paper

Carbon paper

67. In FWFP, the phosphate fertilizers are produced at

Nowshera

Haripur

D.I.Khan

Dargai

68. Fertilizer are made by

None of these

Nature only

Both artificial and natural methods

Artificial methods only

69. Natural fertilizes are materials derived from

Plants

Both plants and animals

None of all

Animals only

70. DAP (Diammonium hydrogen phosphate) contains ___________ plant nutrients.

70%

65%

60%

75%

71. How many fertilizer plants are now in Pakistan?

72. In Pakistan, paper consumption per person is

10kg

5kg

6kg

8kg

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Mustansar KhanLast Updated: April 19, 2025

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ECAT Chemistry Common Chemical Industries in Pakistan Test Online

Chemistry Common Chemical Industries in Pakistan MCQS Online Test

ECAT Chemistry Common Chemical Industries in Pakistan Chapter Online Test

ECAT Chemistry Common Chemical Industries in Pakistan Test

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