Chemistry Common Chemical Industries in Pakistan Online Mcqs Test

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Question 1

1. Argillaceous material does not include

Answer

Marine shells

Answer

Blast furnace slag

Question 2

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

Answer

Condensation

Answer

Crystallization

Answer

Evaporation

Question 3

3. The nitrogen present in some fertilizers help plants

Answer

To produce protein

Answer

To produce fat

Answer

To fight against diseases

Answer

To undergo photosynthesis

Question 4

4. How many fertilizer plants are now in Pakistan?

Question 5

5. The compound which does not form iodoform

Answer

Acetaldehyde

Answer

Ethyl alcohol

Answer

Methyl alcohol

Question 6

6. Natural fertilizes are materials derived from

Answer

Animals only

Answer

None of all

Answer

Both plants and animals

Question 7

7. The %age of nitrogen in urea is

Question 8

8. Phosphorus is very useful in the growth of

Question 9

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

Answer

Rice straw

Question 10

10. Micro nutrients are required in quality ranging from

Answer

4g – 40g

Answer

4kg – 40kg

Answer

6g – 200g

Answer

6g – 200kg

Question 11

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

Question 12

12. Ammonium nitrate fertilizer is not used for which crop

Answer

Paddy rice

Answer

Sugar cane

Question 13

13. The use of detergents is problematic because

Answer

It deteriorates on health

Answer

Of non-availability

Answer

Of water pollution

Answer

Of high cost

Question 14

14. In FWFP, the phosphate fertilizers are produced at

Question 15

15. Detergents are

Answer

Natural products

Answer

Both A and B

Answer

Synthetic products

Answer

None of these

Question 16

16. Which of the following is a synthetic fertilizer?

Answer

Plant, leave under fermentation

Answer

Animal bones

Answer

Animal excretes

Question 17

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

Answer

None of these

Answer

Formic acid

Answer

Adipic acid

Answer

Acetic acid

Question 18

18. The number of paper industries in Pakistan are

Question 19

19. What is clinker?

Answer

Roasted argillaceous material

Answer

Roasted calcareous and argillaceous material

Answer

Roasted gypsum

Answer

Roasted calcareous material

Question 20

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

Answer

Lime stone

Answer

Iron oxide

Question 21

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

Answer

Rice straw

Question 22

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

Answer

Sun flower

Answer

Water hyacinth

Question 23

23. What is clinker?

Answer

Roasted gypsum

Answer

Roasted argillaceous material

Answer

Roasted calcareous material

Answer

Roasted calcareous and argillaceous material

Question 24

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

Question 25

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

Question 26

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

Answer

Six inches

Answer

Three inches

Answer

Two inches

Answer

Five inches

Question 27

27. The fertilizer contains 33 – 35% N is

Answer

Ammonium nitrate

Answer

Potassium nitrate

Question 28

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

Answer

Ammonium nitrate

Question 29

29. Usually the percentage of moisture in paper is

Question 30

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

Answer

NH₄NO₃

Question 31

31. Potassium fertilizers are especially useful for

Answer

All of these

Question 32

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

Question 33

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

Answer

Three inches

Answer

Six inches

Answer

Five inches

Answer

Two inches

Question 34

34. Natural fertilizer from plants and animals provide nitrogen

Question 35

35. The percentage of nitrogen in urea is

Question 36

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

Answer

Ammonium sulphate

Answer

Ammonium nitrate

Question 37

37. Cement was introduced by a mason

Answer

Joseph Aspdin

Answer

Humphry Davy

Answer

Freidrik Miescher

Question 38

38. Micro-nutrients are required in quantity ranging from

Question 39

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

Answer

None of these

Answer

Both a and b

Question 40

40. Vanishes are more frequently used on

Answer

Both iron and wood

Question 41

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

Answer

Wet process

Answer

Dry process

Question 42

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

Answer

Water Hyacinth

Answer

Sun flower

Question 43

43. In Pakistan, paper consumption per person is

Question 44

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

Answer

Carbamate condensation, dehydration evaporation, prilling

Answer

Prilling, carbamate condensation, evaporation, dehydration

Answer

Carbamate condensation, evaporation dehydration, prilling

Answer

Dehydration, evaporation, carbamate condensation, prilling

Question 45

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

Answer

Cleaning, digestion bleaching screening

Answer

Cleaning, digestion, screening, bleaching

Answer

Cleaning, screening, digestion bleaching

Answer

Cleaning, screening, bleaching, digestion

Question 46

46. Ceramics industry deals with the production of

Question 47

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

Question 48

48. In which paper some additive is not added

Answer

Glazed paper

Answer

Filter paper

Answer

Carbon paper

Question 49

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

Question 50

50. Fertilizer are made by

Answer

None of these

Answer

Artificial methods only

Answer

Nature only

Answer

Both artificial and natural methods

Question 51

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

Answer

It is involved in the synthesis of protein and nucleic acids

Answer

It accelerates fruits and flowers growth

Answer

It is involved in the chlorophyll synthesis

Answer

It enhances plant growth

Question 52

52. Which of the following is macronutrient?

Question 53

53. Choose the difference between natural and synthetic fertilizers

Answer

Crop application

Answer

Raw material

Question 54

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

Answer

It is an inorganic water soluble compound

Answer

It is a natural fertilizer

Answer

It provides micronutrients to the plants

Answer

It is a synthetic fertilizer

Question 55

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

Answer

Nitrogenous fertilizers

Answer

All of the above

Answer

Phosphorus fertilizer

Answer

Micronutrients

Question 56

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

Answer

Ammonium sulphate

Answer

Ammonium nitrate

Answer

Ammonium chloride

Question 57

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

Answer

Viscosity of water

Answer

Surface tension of water

Answer

Wetting ability of water

Answer

Boiling point of water

Question 58

58. Which of the following is not a synthetic fertilizer

Answer

Calcium phosphate

Answer

Ammonium nitrate

Question 59

59. Cement is a mixture of

Answer

Clay and clinker

Answer

Lime stone and gypsum

Answer

Lime stone and clay

Answer

Clay lime stone and gypsum

Question 60

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

Answer

Endothermic

Answer

No heat energy is involved

Answer

Both a and b

Answer

Exothermic

Question 61

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

Answer

Lime (CaO)

Answer

Magnesia (MgO)

Answer

Silica (SiO₂)

Answer

Alumina (Al₂O₃)

Question 62

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

Question 63

63. Calcarious material includes

Answer

All of these

Answer

Lime stone

Question 64

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

Answer

Calcium super phosphate

Answer

Potassium nitrate

Answer

Diammonium phosphate

Answer 131

Fe in fused mixture of Al2O3 + SiQ2 + MgO

Answer 132

All of the above

Answer 133

ZnO + Cr2O3

Answer 134

Synthetic fiber

Answer 135

Mineral fiber

Answer 136

Vegetable fiber

Answer 137

Animal fiber

Answer 138

Rotation of the crops

Answer 139

Adding manure and growing legumes

Answer 140

Adding lime to the acid salts

Answer 141

Marine shell

Answer 142

Mixing heating grinding crushing

Answer 143

Crushing grinding mixing heating

Answer 144

Crushing heating mixing grinding

Answer 145

Crushing mixing heating grinding and mixing

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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