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CBT Chemistry JAMB 2016

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26
Created on By bola

Chemistry

CBT Chemistry JAMB 2016

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Category: Chemistry

1 In an electrochemical cell, polarization is caused
by

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Category: Chemistry

2 The condition required for corrosion to take place
is the presence of

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Category: Chemistry

3 The enzyme used in the hydrolysis of starch to
dextrin and maltose is

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Category: Chemistry

4 In the laboratory preparation of chlorine from
concentrated hydrochloric acid in the presence of
potassuim tetraoxomanganate(VII) the produced is
dried by passing it through

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Category: Chemistry

5 The monomer of nylon is

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Category: Chemistry

6 The principle of column chromatography is based
on th ability of the constituents to

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Category: Chemistry

7 Ammonium chloride can be separated from its
mixture with common salt by

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Category: Chemistry

8 The ability of carbon to form long chains is
referred to as

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Category: Chemistry

9 The industrial preparation of hydrogen gas from
water gas is referred to as

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Category: Chemistry

10 The relative atomic mass of a naturally occurring
lithium consisting of 90% (7/3)Li and 10% (6/3)Li is

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Category: Chemistry

11 The colour of litmus in an alkaline medium is

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Category: Chemistry

12 The compounds CH 3 CH 2 CHO and CH 3 COCH 3
can be distinguished from each other using

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Category: Chemistry

13 Which of the following statements is true about 2-
methylpropane and butane

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Category: Chemistry

14 The process that requires the use of hardwater in
its operation is

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Category: Chemistry

15 What is the concentration of a solution containing
2g of NaOH in 100cm^3 of solution?
[Na=23, O=16, H=1]

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Category: Chemistry

16 The radioisotope used in industrial radiography
for the rapid checking of faults in welds and casting
is

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Category: Chemistry

17 The compound produced when sodium peroxide is
heated with excess sodium is

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Category: Chemistry

18 The pollutant that contributes to the depletion of
the ozone layer is

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Category: Chemistry

19 Which of the following properties is not peculiar
to matter?

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Category: Chemistry

20 Cast iron is used in making

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Category: Chemistry

21 Which of the following compounds is used as a
gaseous fuel?

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Category: Chemistry

22 The product formed when propanol is heated over
a copper catalyst in the absence of oxygen are

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Category: Chemistry

23 Alkanols have the general molecular formula

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Category: Chemistry

24 Which of the following is not an alkali?

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Category: Chemistry

25 Which of the following statements is correct about
the periodic table?

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Category: Chemistry

26 The metal whose ore can be concentrated by
passing it through a magnetic separator is

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Category: Chemistry

27 An example of an acidic oxide is

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Category: Chemistry

28 What volume of 0.5 MH 2 SO 4 will exactly
neutralize 20cm^3 of 0.1 MNaOH Solution?

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Category: Chemistry

29 Diamond cannot be used

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Category: Chemistry

30 Ethanol is soluble in water due to the presence of
a

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Category: Chemistry

31 The number of electronic shells contained in an
atom with electron configuration 1s^2  2s^2  2p^6  3s^2  3p^6  4s^2
is

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Category: Chemistry

32 The drying agent suitable for drying ammonia is

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Category: Chemistry

33 The arrangement of particles in crystal lattices can
be studied using

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Category: Chemistry

34 In the extraction of iron, the waste gas from the
furnace is a mixture of

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Category: Chemistry

35 In a neutralization reaction involving HCI and
NaOH using litmus as indicator, the colour at the end
point is

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Category: Chemistry

36 An example of a solid emulsion is

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Category: Chemistry

37 An isotope has an atomic number of 15 and a
mass number of 31. The number of proton it contains
is

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Category: Chemistry

38 Calculate the volume in cm^3 of oxygen evolved at
s.t.p when a current of 5A is passed through acidified
water for 193s?
[F = 96500 C mol 1 . Molar volume of a gas at s.t.p =
22.4dm^3 ]

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Category: Chemistry

39 The gas that is used for the treatment of cancer is

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Category: Chemistry

40 A chemical reaction in which the hydration energy
is greater than the lattice energy is referred to as

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Category: Chemistry

41 MnO 4(aq) + Y 5Fe^2+ (aq) Mn^2+ (aq) + 5Fe^2+
(aq) + 4H 2 O (1)
In the equation above, Y is

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Category: Chemistry

42. The compound above exhibits

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Category: Chemistry

43 n monosaccharide p⇌Q polysaccharide -n water.
In the process above, P and Q respectively represent

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Category: Chemistry

44. The functional groups present in the compound
above are

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Category: Chemistry

45. In the diagram above, X is the

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Category: Chemistry

46. The diagram represents

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Category: Chemistry

47. The curve depicts titration between

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Category: Chemistry

48. From the diagram above, an ideal gas can be
represented by

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Category: Chemistry

49 CH 4(g) + CI 2(g) CH 2 CI (s) + HCI g
The major factor that influences the rate of the
reaction above is

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Category: Chemistry

50 N 2 O4(aq) ⇌ 2NO 2(g) △H = +ve
In the reaction above, an increase in temperature will

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John Aina has a Masters degree as an engineer and has over 3 years of teaching and research experience. John is happiest when he is on a bike and is also interested in Solar technology.
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