ECAT Pre Engineering Chemistry Chapter 26 MCQ Test With Answer

Question # 1

75% plant nutrients are present in the fertilizer

urea A
NH₄NO₃ B
NH₃ C
(NH₄)₂HPO₄ D

Question # 2

The strength of economy of a country is measured with respect to production of

Medicines A
Cement B
Fertilizers C
Paper D

Question # 3

Ammonia contains nitrogen in it

46% A
50% B
80% C
82% D

Question # 4

After chlorination, the pulp is washed at

20°C A
30°C B
40°C C
60°C D

Question # 5

Pakistan in the beginning was a country

industrial A
chemical B
agrarian C
technological D

Question # 6

Which is a component of macronutrient?

Zn A
N B
Mo C
Cl D

Question # 7

A colloidal gel is

3cA, Al₂O₃ A
CaSO₂.2H₂O B
3CaAl₂O₃.3CaSO₄.2H₂O C
3Ca.Al₂O₃.6H₂O D

Question # 8

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

N, S, P A
N, Ca, P B
N, P, K C
N, K, C D

Question # 9

Which fills the space between needles in cement setting?

Ca(OH)₂ A
Al(OH)₃ B
CaCO₃ C
MgSO₄ D

Question # 10

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

4 A
3 B
2 C
5 D

Question # 11

Major fertilizers with micro—nutrients are

Nitrogeneous A
Phosphatic B
Potash C
a,b,c D

Question # 12

Composition of clay in cement is

25% A
50% B
75% C
80% D

Question # 13

Cement is a combination of mainly

calcarious A
argillaceous B
calcarious and argillaceous C
Al₂O₃ D

Question # 14

Which is not nitrogeneous fertilizers?

(NH₄)₂HPO₄ A
NH₄NO₃ B
urea C
Calcium phosphate D

Question # 15

Which is not a calcarious material

lime A
clay B
marble C
marine shell D

Question # 16

The cement plants in west Pakistan at the time of creation were

ten A
twenty two B
four C
twenty four D

Question # 17

Gypsom added in the cement is

5% A
10% B
15% C
20% D

Question # 18

During the manufacturing process of cement the temperature of the decomposition zone goes up to

600^oC A
8000^oC B
1000^oC C
1200^oC D

Question # 19

Ammonia is injected tinder the soil surface

1 feet A
6 inches B
6 feet C
inches D

Question # 20

The word paper is derived from the name of which seedy plant?

Rose A
Sun flower B
Papyrus C
Water Hyacinth D

Question # 21

Urea has concentration when prepared before prilling

46% A
82% B
99.7% C
100% D

Question # 22

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

cotton A
Bagasse B
Popular C
Rice straw D

Question # 23

Pakistan at the time of existence in 1947 was a country:

agrarian A
industrial B
nuclear C
economically strong D

Question # 24

Ammonium nitrate fertilizer is not used for which crop?

Cotton A
Wheat B
Sugar-cane C
Paddy rice D

Question # 25

To meet the due need of food by increasing population we must use in agriculture

good seeds A
pesticides B
fertilizers C
all D

Question # 26

Major component in cement is

SiO₂ A
Lime B
Al₂O₃ C
MgO D

Question # 27

The nitrogen present in some fertilizers helps plant to

fight against diseases A
Produce fat B
Undergo photosynthesis C
produce protein D

Question # 28

Setting time of cement is controlled by adding

Epsom A
Gypsom B
CaCO₃ C
CaCl₂ D

Question # 29

At present cement plants in Pakistan are

ten A
twenty two B
four C
twenty four D

Question # 30

Which is a component of micro nutrient?

N A
Zn B
P C
K D

Sr.#	Question	Answer
1	To meet the due need of food by increasing population we must use in agriculture	A. good seeds B. pesticides C. fertilizers D. all
2	Major fertilizers with micro—nutrients are	A. Nitrogeneous B. Phosphatic C. Potash D. a,b,c
3	Setting time of cement is controlled by adding	A. Epsom B. Gypsom C. CaCO₃ D. CaCl₂
4	Which is a component of macronutrient?	A. Zn B. N C. Mo D. Cl
5	Ammonia is injected tinder the soil surface	A. 1 feet B. 6 inches C. 6 feet D. inches
6	How many are the zones through which the charge passes in a rotary kiln?	A. 4 B. 3 C. 2 D. 5
7	Which three elements are needed for the healthy growth of plants?	A. N, S, P B. N, Ca, P C. N, P, K D. N, K, C
8	Which is not a calcarious material	A. lime B. clay C. marble D. marine shell
9	Which is not nitrogeneous fertilizers?	A. (NH₄)₂HPO₄ B. NH₄NO₃ C. urea D. Calcium phosphate
10	The cement plants in west Pakistan at the time of creation were	A. ten B. twenty two C. four D. twenty four

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students