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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. Cement was introduced by a mason

Joseph Aspdin

D-H whove

Freidrik Miescher

Humphry Davy

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

Urea

KNO₃

NH₄NO₃

NaNO₃

3. Which of the following is macronutrient?

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

Dry process

None

Both

Wet process

5. Calcarious material includes

Marble

Chalk

Lime stone

All of these

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

It enhances plant growth

It accelerates fruits and flowers growth

It is involved in the chlorophyll synthesis

It is involved in the synthesis of protein and nucleic acids

7. The compound which does not form iodoform

Methyl alcohol

Acetone

Acetaldehyde

Ethyl alcohol

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

Alumina (Al₂O₃)

Lime (CaO)

Magnesia (MgO)

Silica (SiO₂)

9. Asbestos is a (n)

Mineral fiber

Animal fiber

Synthetic fiber

Vegetable fiber

10. Natural fertilizes are materials derived from

Both plants and animals

Plants

Animals only

None of all

11. Vanishes are more frequently used on

Iron

Wood

Plastics

Both iron and wood

12. 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

13. The fertility of soil is improved by

Adding manure and growing legumes

Adding lime to the acid salts

All

Rotation of the crops

14. In which paper some additive is not added

Filter paper

Carbon paper

Glazed paper

Art paper

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

16. Ceramics industry deals with the production of

Pottery

Glass

Cement

Paper

17. Cement is a mixture of

Lime stone and gypsum

Clay and clinker

Clay lime stone and gypsum

Lime stone and clay

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

Three inches

Six inches

Five inches

Two inches

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

Zinc

Boron

Calcium

Nitrogen

20. Phosphorus is very useful in the growth of

Stem

Root

Seed

Leave

21. The %age of nitrogen in urea is

22. In FWFP, the phosphate fertilizers are produced at

Haripur

D.I.Khan

Dargai

Nowshera

23. The use of detergents is problematic because

Of non-availability

Of water pollution

Of high cost

It deteriorates on health

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

Ammonium chloride

Urea

Ammonium nitrate

Ammonium sulphate

25. Usually the percentage of moisture in paper is

1 – 3%

4 – 6%

6 – 8%

Page 2 of 3

26. What is clinker?

Roasted calcareous material

Roasted gypsum

Roasted calcareous and argillaceous material

Roasted argillaceous material

27. Potassium fertilizers are especially useful for

Potato

All of these

Tobacco

Coffee

28. Which of the following is a synthetic fertilizer?

Animal bones

Animal excretes

Urea

Plant, leave under fermentation

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

Three inches

Six inches

Five inches

Two inches

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

Lime stone

KNO3

Gypsum

Iron oxide

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

Nitrogenous fertilizers

All of the above

Micronutrients

Phosphorus fertilizer

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

Potassium nitrate

Urea

Calcium super phosphate

Diammonium phosphate

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

Condensation

Crystallization

Evaporation

Prilling

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

Rice straw

Bugases

Cotton

Poplar

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

Water hyacinth

Rose

Papyrus

Sun flower

36. Micro nutrients are required in quality ranging from

4kg – 40kg

6g – 200kg

4g – 40g

6g – 200g

37. Fertilizer are made by

Artificial methods only

Both artificial and natural methods

None of these

Nature only

38. Which of the following is not a synthetic fertilizer

Ammonium nitrate

Calcium phosphate

Urea

Dung

39. Which is not a calcareous material?

Clay

Marble

Marine shell

Line

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

N, Ca, P

N, K, C

N, P, K

S, S, P

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

Urea

Ammonium nitrate

All

Manure

42. Natural fertilizer from plants and animals provide nitrogen

3.0 kg

6 kg

4.5 kg

1.5 kg

43. The percentage of nitrogen in urea is

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

It is a synthetic fertilizer

It is an inorganic water soluble compound

It is a natural fertilizer

It provides micronutrients to the plants

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

Endothermic

Both a and b

No heat energy is involved

Exothermic

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

Rice straw

Poplar

Bagasse

Cotton

47. Argillaceous material does not include

Marine shells

Vlay

Blast furnace slag

Slate

48. The fertilizer contains 33 – 35% N is

Ammonia

Urea

Potassium nitrate

Ammonium nitrate

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

KMnO₄

KCI

K₂SO₄

KNO₃

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

10%

70%

50%

30%

Page 3 of 3

51. The number of paper industries in Pakistan are

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

3.2 kg

1.2 kg

4 kg

2.2 kg

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

Carbamate condensation, dehydration evaporation, prilling

Carbamate condensation, evaporation dehydration, prilling

Dehydration, evaporation, carbamate condensation, prilling

Prilling, carbamate condensation, evaporation, dehydration

54. Choose the difference between natural and synthetic fertilizers

Usage

Shapes

Raw material

Crop application

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

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

Adipic acid

None of these

Formic acid

Acetic acid

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

Crushing heating mixing grinding

Crushing mixing heating grinding and mixing

Mixing heating grinding crushing

Crushing grinding mixing heating

58. What is clinker?

Roasted gypsum

Roasted calcareous and argillaceous material

Roasted argillaceous material

Roasted calcareous material

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

Sun flower

Water Hyacinth

Rose

Papyrus

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. Ammonium nitrate fertilizer is not used for which crop

Sugar cane

Paddy rice

Wheat

Cotton

62. Detergents are

Natural products

Both A and B

Synthetic products

None of these

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

ZnO + Cr2O3

Fe in fused mixture of Al2O3 + SiQ2 + MgO

All of the above

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

70%

75%

60%

65%

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

Ammonium sulphate

DAP

Urea

Ammonium nitrate

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

None of these

Both a and b

Compound

Straight

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

N, S, P

N, P, K

N, Ca, P

N, K, C

68. The nitrogen present in some fertilizers help plants

To fight against diseases

To undergo photosynthesis

To produce fat

To produce protein

69. Micro-nutrients are required in quantity ranging from

6g-200g

4g-40g

6kg-200kg

4kg-40kg

70. How many fertilizer plants are now in Pakistan?

71. In Pakistan, paper consumption per person is

5kg

6kg

10kg

8kg

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

Cleaning, digestion bleaching screening

Cleaning, digestion, screening, bleaching

Cleaning, screening, digestion bleaching

Cleaning, screening, bleaching, digestion

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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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