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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. Which one of the following is an inorganic fertilizer?

Ammonium nitrate

Manure

Urea

All

2. The fertility of soil is improved by

All

Adding manure and growing legumes

Adding lime to the acid salts

Rotation of the crops

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

Urea

Potassium nitrate

Calcium super phosphate

Diammonium phosphate

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

It accelerates fruits and flowers growth

It is involved in the synthesis of protein and nucleic acids

It enhances plant growth

It is involved in the chlorophyll synthesis

5. Which of the following is not a synthetic fertilizer

Calcium phosphate

Dung

Urea

Ammonium nitrate

6. How many fertilizer plants are now in Pakistan?

7. Which is not a calcareous material?

Marble

Line

Clay

Marine shell

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

Cleaning, screening, bleaching, digestion

Cleaning, screening, digestion bleaching

Cleaning, digestion, screening, bleaching

Cleaning, digestion bleaching screening

9. In Pakistan, paper consumption per person is

5kg

6kg

8kg

10kg

10. Cement was introduced by a mason

Freidrik Miescher

D-H whove

Humphry Davy

Joseph Aspdin

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

Condensation

Crystallization

Evaporation

Prilling

12. Which of the following is macronutrient?

13. Micro nutrients are required in quality ranging from

4g – 40g

6g – 200g

6g – 200kg

4kg – 40kg

14. Calcarious material includes

Chalk

All of these

Marble

Lime stone

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

1.2 kg

4 kg

2.2 kg

3.2 kg

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

Straight

None of these

Compound

Both a and b

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

All of the above

Phosphorus fertilizer

Micronutrients

Nitrogenous fertilizers

18. Asbestos is a (n)

Vegetable fiber

Animal fiber

Mineral fiber

Synthetic fiber

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

Bugases

Cotton

Poplar

Rice straw

20. The number of paper industries in Pakistan are

21. Ammonium nitrate fertilizer is not used for which crop

Sugar cane

Cotton

Paddy rice

Wheat

22. What is clinker?

Roasted calcareous material

Roasted gypsum

Roasted argillaceous material

Roasted calcareous and argillaceous material

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

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

None

Dry process

Both

Wet process

25. Micro-nutrients are required in quantity ranging from

4g-40g

6kg-200kg

4kg-40kg

6g-200g

Page 2 of 3

26. The fertilizer contains 33 – 35% N is

Ammonium nitrate

Potassium nitrate

Ammonia

Urea

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

Rose

Sun flower

Water hyacinth

Papyrus

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

Magnesia (MgO)

Silica (SiO₂)

Lime (CaO)

Alumina (Al₂O₃)

29. Usually the percentage of moisture in paper is

1 – 3%

4 – 6%

6 – 8%

30. 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

31. Argillaceous material does not include

Slate

Blast furnace slag

Vlay

Marine shells

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

No heat energy is involved

Exothermic

Endothermic

Both a and b

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

Rose

Sun flower

Water Hyacinth

Papyrus

34. Which of the following is a synthetic fertilizer?

Urea

Plant, leave under fermentation

Animal excretes

Animal bones

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

Urea

KNO₃

NH₄NO₃

NaNO₃

36. Natural fertilizes are materials derived from

None of all

Animals only

Both plants and animals

Plants

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

75%

70%

65%

60%

38. Ceramics industry deals with the production of

Pottery

Cement

Paper

Glass

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

All of the above

ZnO + Cr2O3

Fe in fused mixture of Al2O3 + SiQ2 + MgO

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

Three inches

Two inches

Five inches

Six inches

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

Poplar

Cotton

Rice straw

Bagasse

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

It is an inorganic water soluble compound

It provides micronutrients to the plants

It is a natural fertilizer

It is a synthetic fertilizer

43. Detergents are

Synthetic products

Natural products

Both A and B

None of these

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

Lime stone

Iron oxide

Gypsum

KNO3

45. Cement is a mixture of

Lime stone and clay

Clay lime stone and gypsum

Clay and clinker

Lime stone and gypsum

46. Potassium fertilizers are especially useful for

Tobacco

Coffee

Potato

All of these

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

KCI

KNO₃

KMnO₄

K₂SO₄

48. The %age of nitrogen in urea is

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

N, Ca, P

N, P, K

N, K, C

N, S, P

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

DAP

Urea

Ammonium sulphate

Ammonium nitrate

Page 3 of 3

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

52. Natural fertilizer from plants and animals provide nitrogen

4.5 kg

6 kg

3.0 kg

1.5 kg

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

Crushing heating mixing grinding

Mixing heating grinding crushing

Crushing grinding mixing heating

Crushing mixing heating grinding and mixing

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

Ammonium sulphate

Ammonium nitrate

Ammonium chloride

Urea

55. Fertilizer are made by

Artificial methods only

None of these

Both artificial and natural methods

Nature only

56. The nitrogen present in some fertilizers help plants

To produce fat

To fight against diseases

To undergo photosynthesis

To produce protein

57. The percentage of nitrogen in urea is

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

Zinc

Calcium

Boron

Nitrogen

59. In which paper some additive is not added

Filter paper

Glazed paper

Art paper

Carbon paper

60. 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

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

Five inches

Two inches

Six inches

Three inches

62. Vanishes are more frequently used on

Iron

Both iron and wood

Plastics

Wood

63. What is clinker?

Roasted gypsum

Roasted argillaceous material

Roasted calcareous and argillaceous material

Roasted calcareous material

64. Choose the difference between natural and synthetic fertilizers

Raw material

Usage

Crop application

Shapes

65. Phosphorus is very useful in the growth of

Seed

Leave

Stem

Root

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

70%

50%

30%

10%

67. The compound which does not form iodoform

Methyl alcohol

Acetaldehyde

Ethyl alcohol

Acetone

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

Adipic acid

Formic acid

None of these

Acetic acid

69. The use of detergents is problematic because

Of high cost

Of non-availability

Of water pollution

It deteriorates on health

70. In FWFP, the phosphate fertilizers are produced at

Nowshera

Dargai

D.I.Khan

Haripur

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

Prilling, carbamate condensation, evaporation, dehydration

Carbamate condensation, evaporation dehydration, prilling

Dehydration, evaporation, carbamate condensation, prilling

Carbamate condensation, dehydration evaporation, prilling

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

S, S, P

N, Ca, P

N, K, C

N, P, K

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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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Chemistry Common Chemical Industries in Pakistan MCQS Online Test

ECAT Chemistry Common Chemical Industries in Pakistan Chapter Online Test

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