Chemistry MCQ Quiz Hub

1. Which of the following processes is used for the synthesis of cement?
dry process
wet process
both
none

2. Phosphorus helps in the growth of
root
leave
stem
seed

3. How many zones through which the charge passes in a rotary kiln?
4
3
2
5

4. The nutrients which are required in very small amount for the normal growth of plants are called
nitrogenous fertilizers
micronutrients
phosphorus fertilizer
all of the above

5. Which one of the following set of raw material is most suitable for manufacture of urea?
CH4 N2 and CO2
H2 N2 and CO
H2 CO2 and H2O
H2O N2 and H2

6. Which one of the following statement is correct for urea?
it is a synthetic fertilizer
it is a natural fertilizer
it provides micronutrients to the plants
it is an inorganic water soluble compound

7. The percentage of nitrogen in urea is
36%
46%
56%
66%

8. Which one of the following is an inorganic fertilizer?
manure
urea
ammonium nitrate
All

9. Which one of the following fertilizers provides the nitrogen and phosphorus to the plant?
urea
calcium superphosphate
diammonium phosphate
potassium nitrate

10. The potassium present in plant help the plant to
form starch sugar and fibrous material
ripen the seeds and fruits
increase the resistance against disease
all the above statements are correct

11. Cement is a mixture of
clay and clinker
clay lime stone and gypsum
lime stone and gypsum
lime stone and clay

12. What is clinker?
roasted calcareous material
roasted argillaceous material
roasted calcareous and argillaceous material
roasted gypsum

13. Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage?
Lime (CaO)
Silica (SiO2)
Alumina (Al2O3)
Magnesia (MgO)

14. Which one of the following raw material is not present in the cement?
lime stone
gypsum
KNO3
iron oxide

15. Which sequence of steps is correct for the manufacture of cement?
crushing heating mixing grinding
crushing mixing heating grinding and mixing
crushing grinding mixing heating
mixing heating grinding crushing

16. The sequence of zones in the rotary kiln are as
dry zone burning zone decomposition zone cooling zone
cooling zone burning zone decomposition zone dry zone
burning zone cooling zone decomposition zone
dry zone decomposition zone burning zone cooling zone

17. The composition of mixture of clay and lime stone in the raw for cement material is
75% lime stone and 25% clay
25% lime stone and 75% clay
15% lime stone and 55% clay
55% lime stone and 15% clay

18. The important function of burning zone in the rotary kilm is
to dry the moisture of slurry
to decompose lime stone to unslaked lime
combination of different oxides like CaO SiO2 Fe2O3 and Al2O3
to reduce the impurities

19. The potato was the staple of Ireland and when the corp failed there was mass starvations.
The potato 3209
The staple
The corp
Mass starvations

20. Shark can run faster than any other fish because they have no bones.
Shark
Other
Fish
have no bones

21. The sugars that is refined from sugar-cane and sugar-beet tastes almost the same
The sugars
Sugar-cane
Sugar beet
the same

22. Testiles industries are as widespread as food industries because both supply basic human needs.
textiles industries
industries
supply basic
human needs

23. Many animal species are totally colors blind.
many
animal species
are totally
colors blind

24. Our skulls is made up of eight cardinal and fourteen facial bones.
our shulls
eight cardinal
fourteen
facial bones

25. Diamonds which is about 40 times as hard as talc made up of pure carbon.
diamonds
40 times
talc
pure carbon

26. Brain waves patterns vary among different people and in different activities.
brain waves patterns
vary among
different people
different activities

27. Lasers are of great value in the areas such as communications and Scientifics research.
lasers
in the areas
such as
scientifics research

28. Dinosaurs are classified as reptiles, although some appear to have been warms-blooded.
dinosaurs
as reptiles
some appear
warms-blooded

29. People should mind your own business.
people should
mind
your
business

30. Everyone of the players would do their best to win the match.
everyone
of
the players
their

31. The baby had made up her mind.
the baby
had made
her
mind

32. The teacher as well as the students are busy.
the teacher
as well as
the students
are

33. Wages of sin are hell.
wages
of sin
are totally
hell

34. Horse is a faithful animal
horse
is
faithful
animal

35. He is Ghalib of today.
He
is
Ghalib
today

36. A large amount of people was there.
a large
amount
people
was there

37. Sports are essential for health.
sports
are
essential
for health

38. Brains-cells are in great number.
Brains-cells
are
great
number

39. The oxygen is essential for life.
the oxygen
is
essential
for life

40. Some people is protesting against dearness.
some
is
protesting
against dearness

41. The shephered was grazing the sheeps.
the shephered
was
grazing
the sheeps

42. Brain stores million of messages.
brain
stores
million
messages

43. People should mind your own business.
people
should mind
your
own business

44. The players were doing your best to win the match.
the players
were doing
your
to win the match

45. The coach will try their best.
the coach
will try
their
best

46. The committee announced his decision.
The committee
announced
his
decision

47. The Jury were divided in his opinion.
the Jury were
divided in
his
opinion