JAMB Chemistry Past Questions 2011 | Free Practice Test & Answers
Prepare for success in JAMB with 2011 Chemistry past questions and answers. Access free practice tests, review key topics, and boost your exam readiness today.
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49
Preguntas Totales
1200 min
Duración Estimada
Gratuito
Tipo de Acceso
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1
What is the concentration of a solution containing 2g of NaOH in 100 cm3 of solution? [Na = 23, O = 16, H = 1]
2
Which of the following properties is NOT peculiar to matter?
3
The principle of column chromatography is based on the ability of the constituents to
4
From the diagram above an ideal gas can be represented by
5
Which of the following statements about the periodic table is correct?
6
The relative atomic mass of naturally occurring lithium consisting of 90% 7Li and 10% 6Li is
7
An isotope has atomic number 15 and mass number 31. The number of protons it contains is
8
The molecular lattice of iodine is held together by
9
The arrangement of particles in crystal lattices can be studied using
10
From the diagram above, find the amount of solute deposited when 200 cm3 of the solution is cooled from 55 °C to 40 °C.
11
The importance of sodium aluminate (III) in the treatment of water is to
12
What type of bond exists between an element X with atomic number 12 and Y with atomic number 17?
13
Hardness of water is mainly due to the presence of
14
A suitable solvent for iodine and naphthalene is
15
Which of the following noble gases is commonly found in the atmosphere?
16
\(\ce{N2O4(g) <=> 2 NO2(g)}\) \(\Delta H = +ve\). In the reaction above, an increase in temperature will
17
\(\text{CH}_3\text{COOH}_{(aq)} + \text{OH}^-_{(aq)} \; \rightleftharpoons \; \text{CH}_3\text{COO}^-_{(aq)} + \text{H}_2\text{O}_{(l)}\)
In the reaction above, \(\ce{CH3COO^-_{(aq)}}\) is
18
How many cations will be produced from a solution of potassium aluminium tetraoxosulphate (VI)?
19
Which of the following is NOT an alkali?
20
An effect of thermal pollution on water bodies is that the
21
Which of the following is a deliquescent compound?
22
A chemical reaction which the hydration energy is greater than the lattice energy is referred to as
23
The function of zinc electrode in a galvanic cell is that it
24
\(\mathrm{CH_4(g) + Cl_2(g) \rightarrow CH_3Cl_{(s)} + HCl_{(g)}}\)
The major factor that influence the rate of the reaction above is
25
The condition required for corrosion to take place is the presence of
26
In the diagram above, X is the
27
The diagram above best illustrates the effect of decrease in
28
\(\ce{MnO4^- (aq) + Y + 5Fe^2+ (aq) -> Mn^2+ (aq) + 5Fe^2+ (aq) + 4H2O (l)}\)
In the equation above, Y is:
29
Given that M is the mass of a substance deposited during electrolysis and Q is the quantity of electricity consumed, then Faraday's first law can be written as [Electrochemical equivalent]
30
The impurities formed during the laboratory preparation of chlorine gas are removed by
31
The effect of the presence of impurities such as carbon and sulphur on iron is that they
32
A few drops of concentrated HNO3 is added to an unknown solution and boiled for a while. If this produces a brown solution, the cation presents are likely to be
33
The bleaching action of chlorine gas is effective due to the presence of
34
In the laboratory preparation of oxygen, dried oxygen is usually collected over
35
The property of concentrated H2SO4 that makes it suitable for preparing HNO3 is its
36
Bronze is preferred to copper in the making of medals because it
37
The constituents of baking powder that makes the dough to rise is
38
Which of the following compound is used as a gaseous fuel?
39
The ability of carbon to form long chains is referred to as
40
Which of the following compounds will undergo polymerization reaction?
41
The compound above exhibits
42
An organic compound has an empirical formula CH2O and vapour density of 45. What is the molecular formula? [C = 12, H = 1, O = 16]
43
C6H12O6 → 2C2H5OH + 2CO2 + energy 25 °C. The reaction above represented by the equation above is useful in the production of
44
The number of isomers that can be obtained from C4H10 is
45
The functional groups present in the compound above are
46
Which of the following is a primary amine?
47
Two organic compounds K and L were treated with a few drops of Fehling's solutions respectively. K formed a brick red precipitate while L, remains unaffected. The compound K is an
48
Which of the following statements is true about 2- methylpropane and butane
49
CH3COOH + C2H5OH → CH3COOC2H5 + H2O (conc. H2SO4)
The reaction above is best described as
