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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 fertilizers provide the nitrogen and phosphorus to the plants?

Calcium super phosphate

Diammonium phosphate

Potassium nitrate

Urea

2. The fertilizer contains 33 – 35% N is

Ammonium nitrate

Ammonia

Potassium nitrate

Urea

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

S, S, P

N, P, K

N, Ca, P

N, K, C

4. 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

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

KMnO₄

KCI

K₂SO₄

KNO₃

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

All

Ammonium nitrate

Manure

Urea

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

Nitrogen

Calcium

Zinc

Boron

8. What is clinker?

Roasted calcareous material

Roasted calcareous and argillaceous material

Roasted argillaceous material

Roasted gypsum

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

Three inches

Two inches

Six inches

Five inches

10. The number of paper industries in Pakistan are

11. Which of the following is a synthetic fertilizer?

Animal excretes

Animal bones

Urea

Plant, leave under fermentation

12. Potassium fertilizers are especially useful for

Tobacco

All of these

Coffee

Potato

13. Usually the percentage of moisture in paper is

6 – 8%

4 – 6%

1 – 3%

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

10%

30%

50%

70%

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

Endothermic

Both a and b

Exothermic

No heat energy is involved

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

Papyrus

Water Hyacinth

Sun flower

Rose

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

Lime stone

Gypsum

KNO3

Iron oxide

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

N, K, C

N, Ca, P

N, S, P

N, P, K

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

Crushing heating mixing grinding

Crushing grinding mixing heating

Mixing heating grinding crushing

Crushing mixing heating grinding and mixing

20. Natural fertilizes are materials derived from

Both plants and animals

None of all

Animals only

Plants

21. Asbestos is a (n)

Animal fiber

Mineral fiber

Vegetable fiber

Synthetic fiber

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

Three inches

Five inches

Six inches

Two inches

23. The use of detergents is problematic because

It deteriorates on health

Of high cost

Of water pollution

Of non-availability

24. Which of the following is macronutrient?

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

Silica (SiO₂)

Alumina (Al₂O₃)

Lime (CaO)

Magnesia (MgO)

Page 2 of 3

26. Cement was introduced by a mason

D-H whove

Humphry Davy

Joseph Aspdin

Freidrik Miescher

27. In Pakistan, paper consumption per person is

5kg

10kg

6kg

8kg

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

NH₄NO₃

NaNO₃

Urea

KNO₃

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

70%

60%

65%

75%

30. Argillaceous material does not include

Marine shells

Slate

Blast furnace slag

Vlay

31. What is clinker?

Roasted argillaceous material

Roasted calcareous material

Roasted gypsum

Roasted calcareous and argillaceous material

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

Straight

Compound

None of these

Both a and b

33. Vanishes are more frequently used on

Iron

Wood

Both iron and wood

Plastics

34. The fertility of soil is improved by

Adding lime to the acid salts

All

Rotation of the crops

Adding manure and growing legumes

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

Bagasse

Cotton

Poplar

Rice straw

36. Calcarious material includes

Marble

Lime stone

All of these

Chalk

37. The compound which does not form iodoform

Acetone

Acetaldehyde

Ethyl alcohol

Methyl alcohol

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

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

Sun flower

Papyrus

Rose

Water hyacinth

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

Wet process

Both

None

Dry process

41. How many fertilizer plants are now in Pakistan?

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

Surface tension of water

Boiling point of water

Viscosity of water

Wetting ability of water

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

Dehydration, evaporation, carbamate condensation, prilling

Carbamate condensation, evaporation dehydration, prilling

Carbamate condensation, dehydration evaporation, prilling

Prilling, carbamate condensation, evaporation, dehydration

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

None of these

Formic acid

Adipic acid

Acetic acid

45. Cement is a mixture of

Clay lime stone and gypsum

Clay and clinker

Lime stone and gypsum

Lime stone and clay

46. 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

47. Ceramics industry deals with the production of

Pottery

Cement

Glass

Paper

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

Rice straw

Poplar

Bugases

Cotton

49. Natural fertilizer from plants and animals provide nitrogen

3.0 kg

6 kg

4.5 kg

1.5 kg

50. In which paper some additive is not added

Filter paper

Art paper

Glazed paper

Carbon paper

Page 3 of 3

51. Phosphorus is very useful in the growth of

Seed

Stem

Root

Leave

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

1.2 kg

4 kg

3.2 kg

2.2 kg

53. Ammonium nitrate fertilizer is not used for which crop

Paddy rice

Sugar cane

Wheat

Cotton

54. Micro nutrients are required in quality ranging from

6g – 200g

4kg – 40kg

6g – 200kg

4g – 40g

55. Micro-nutrients are required in quantity ranging from

6g-200g

4kg-40kg

4g-40g

6kg-200kg

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

57. The percentage of nitrogen in urea is

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

Condensation

Prilling

Crystallization

Evaporation

59. In FWFP, the phosphate fertilizers are produced at

Haripur

Dargai

Nowshera

D.I.Khan

60. The nitrogen present in some fertilizers help plants

To undergo photosynthesis

To produce protein

To produce fat

To fight against diseases

61. Choose the difference between natural and synthetic fertilizers

Raw material

Shapes

Usage

Crop application

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

Cleaning, screening, bleaching, digestion

Cleaning, digestion bleaching screening

Cleaning, digestion, screening, bleaching

Cleaning, screening, digestion bleaching

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

Ammonium nitrate

Urea

Ammonium chloride

Ammonium sulphate

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

Micronutrients

All of the above

Phosphorus fertilizer

Nitrogenous fertilizers

65. Which is not a calcareous material?

Clay

Marine shell

Line

Marble

66. Which of the following is not a synthetic fertilizer

Urea

Ammonium nitrate

Calcium phosphate

Dung

67. Detergents are

None of these

Synthetic products

Both A and B

Natural products

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

It is a natural fertilizer

It is a synthetic fertilizer

It is an inorganic water soluble compound

It provides micronutrients to the plants

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

It is involved in the chlorophyll synthesis

It enhances plant growth

It is involved in the synthesis of protein and nucleic acids

It accelerates fruits and flowers growth

70. The %age of nitrogen in urea is

71. Fertilizer are made by

Both artificial and natural methods

Artificial methods only

Nature only

None of these

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

Ammonium nitrate

Ammonium sulphate

Urea

DAP

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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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