Question # 1

Which is not a calcarious material

Choose an answer

lime

clay

marble

marine shell

Ammonia is injected tinder the soil surface

Choose an answer

1 feet

6 inches

6 feet

inches

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

Choose an answer

Rose

Sun flower

Papyrus

Water Hyacinth

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

Choose an answer

good seeds

pesticides

fertilizers

all

A colloidal gel is

Choose an answer

3cA, Al₂O₃

CaSO₂.2H₂O

3CaAl₂O₃.3CaSO₄.2H₂O

3Ca.Al₂O₃.6H₂O

Which is a component of macronutrient?

Choose an answer

Zn

N

Mo

Cl

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

Choose an answer

Medicines

Cement

Fertilizers

Paper

At present cement plants in Pakistan are

Choose an answer

ten

twenty two

four

twenty four

Cement is a combination of mainly

Choose an answer

calcarious

argillaceous

calcarious and argillaceous

Al₂O₃

Pakistan in the beginning was a country

Choose an answer

industrial

chemical

agrarian

technological

Setting time of cement is controlled by adding

Choose an answer

Epsom

Gypsom

CaCO₃

CaCl₂

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

Choose an answer

agrarian

industrial

nuclear

economically strong

75% plant nutrients are present in the fertilizer

Choose an answer

urea

NH₄NO₃

NH₃

(NH₄)₂HPO₄

The nitrogen present in some fertilizers helps plant to

Choose an answer

fight against diseases

Produce fat

Undergo photosynthesis

produce protein

After chlorination, the pulp is washed at

Choose an answer

20°C

30°C

40°C

60°C

Urea has concentration when prepared before prilling

Choose an answer

46%

82%

99.7%

100%

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

Choose an answer

4

3

2

5

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

Choose an answer

cotton

Bagasse

Popular

Rice straw

Ammonia contains nitrogen in it

Choose an answer

46%

50%

80%

82%

Major component in cement is

Choose an answer

SiO₂

Lime

Al₂O₃

MgO

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

Choose an answer

ten

twenty two

four

twenty four

Major fertilizers with micro—nutrients are

Choose an answer

Nitrogeneous

Phosphatic

Potash

a,b,c

Composition of clay in cement is

Choose an answer

25%

50%

75%

80%

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

Choose an answer

600^oC

8000^oC

1000^oC

1200^oC

Which is a component of micro nutrient?

Choose an answer

N

Zn

P

K

Which is not nitrogeneous fertilizers?

Choose an answer

(NH₄)₂HPO₄

NH₄NO₃

urea

Calcium phosphate

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

Choose an answer

N, S, P

N, Ca, P

N, P, K

N, K, C

Gypsom added in the cement is

Choose an answer

5%

10%

15%

20%

Which fills the space between needles in cement setting?

Choose an answer

Ca(OH)₂

Al(OH)₃

CaCO₃

MgSO₄

Ammonium nitrate fertilizer is not used for which crop?

Choose an answer

Cotton

Wheat

Sugar-cane

Paddy rice

More Classes

Other Links

ECAT Chemistry Chapter 26 Common Chemical Industries in Pakistan Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer