JAMB CHEMISTRY PAST QUESTIONS

JAMB CHEMISTRY PAST QUESTIONS

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JAMB CHEMISTRY PAST QUESTIONS 1

JAMB CHEMISTRY PAST QUESTIONS

Attempt all 60 questions picked from our pool past questions. You have 1 hour to answer all 60 questions.

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Category: JAMB CHEMISTRY PAST QUESTIONS

A suitable reagent for distinguish between ethanoic and ethanol is

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Category: JAMB CHEMISTRY PAST QUESTIONS

The elements in the periodic table are listed in order of increasing

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Category: JAMB CHEMISTRY PAST QUESTIONS

What is the percentage of sulphur in sulphur (IV) oxide?

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Category: JAMB CHEMISTRY PAST QUESTIONS

An elements used in production of matches is

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of these alloys contains copper?

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Which of the following properties is not peculiar to matter?

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Category: JAMB CHEMISTRY PAST QUESTIONS

Cast iron is used in making

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Category: JAMB CHEMISTRY PAST QUESTIONS

An isomer of C5H12 is

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Category: JAMB CHEMISTRY PAST QUESTIONS

The periodic classification is an arrangement of the elements

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the following will give a precipitate with an aqueous solution of copper (I) chloride?

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Category: JAMB CHEMISTRY PAST QUESTIONS

Hydrogen can be displaced from a lot alkaline solution by

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Category: JAMB CHEMISTRY PAST QUESTIONS

In the discovery of protein, the instrument used is

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Category: JAMB CHEMISTRY PAST QUESTIONS

When ammonia and hydrogen ion bond together to form ammonium ion, the bond formed is called

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Category: JAMB CHEMISTRY PAST QUESTIONS

The shape of ammonia molecules is

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Category: JAMB CHEMISTRY PAST QUESTIONS

Vulcanization involve the removal of

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Category: JAMB CHEMISTRY PAST QUESTIONS

The oxidation number of iodine in KIO3 is

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Category: JAMB CHEMISTRY PAST QUESTIONS

When ΔH is negative, a reaction is said to be

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Category: JAMB CHEMISTRY PAST QUESTIONS

A given mass of gas occupies 2dm3 at 300k. At what temperature will its volume be doubled, keeping the pressure constant?

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the following does not support the fact that air is a mixture?

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Category: JAMB CHEMISTRY PAST QUESTIONS

The reaction of halogens in the presence of sunlight is an example of

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Category: JAMB CHEMISTRY PAST QUESTIONS

Ethanol is soluble in water due to the presence of a

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Category: JAMB CHEMISTRY PAST QUESTIONS

A second alkanol can be oxidized to give an

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

The shape of the S-orbital is

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Category: JAMB CHEMISTRY PAST QUESTIONS

In the production of soap, concentrated sodium chloride solution is added to

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the following metals burns with brick red

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Category: JAMB CHEMISTRY PAST QUESTIONS

A synthetic rubber is obtained from the polymerization of

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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Cathode rays cause an object placed behind a perforated anode to cast a shadow on the screen. This observation shows that the rays

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

Elements P, Q, R, S have 6, 11, 15, 17 electrons respectively, therefore,

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Category: JAMB CHEMISTRY PAST QUESTIONS

The derivative of benzene that can be used in making explosives is

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the compounds is composed of Al, Si, O and H?

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Category: JAMB CHEMISTRY PAST QUESTIONS

The weakest attractive force that can be observed between two molecules is

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Category: JAMB CHEMISTRY PAST QUESTIONS

A liquid that will dissolve fat is

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Category: JAMB CHEMISTRY PAST QUESTIONS

Iron is often galvanized in order to

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Category: JAMB CHEMISTRY PAST QUESTIONS

Aluminium hydroxide is used in the dyeing industry as a

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

Calculate the percentage composition of oxygen in calcium trioxocarbonate(IV) [Ca=40, C=12, O=16]

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Category: JAMB CHEMISTRY PAST QUESTIONS

Sieving is a technique used to separate mixtures containing solid particles of

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Atomicity of ozone is

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Category: JAMB CHEMISTRY PAST QUESTIONS

There are basic particles from which matter called be made except

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Category: JAMB CHEMISTRY PAST QUESTIONS

The arrangement of particles in crystal lattices can be studied using

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the following is the best starting material for the preparation of oxygen? Heating of trioxonitrate (v) with

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the following alkaline metals react more quickly spontaneously with water?

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Category: JAMB CHEMISTRY PAST QUESTIONS

An element used in the production of matches is

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Category: JAMB CHEMISTRY PAST QUESTIONS

In the industrial production of H2 is removed by (solution)

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

The mass of silver deposited when a current of 10A is passed through a solution of silver salt for 4830s is – (Ag = 108 F = 96500(mol-1)

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Category: JAMB CHEMISTRY PAST QUESTIONS

The constituent common to duralumin and alnico is

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Category: JAMB CHEMISTRY PAST QUESTIONS

The filter in the cigarette reduce the nicotine construct by

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Category: JAMB CHEMISTRY PAST QUESTIONS

During the electrolysis of copper II sulphate between platinum electrodes, if litmus solution is added to the anode compartment

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Category: JAMB CHEMISTRY PAST QUESTIONS

P1V1 = P2V2 supports ?

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Category: JAMB CHEMISTRY PAST QUESTIONS

If the molecular mass of tetraoxosulphate (VI) acid is 98, calculate its vapour density.

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Category: JAMB CHEMISTRY PAST QUESTIONS

The gas that is most useful in protecting humans against solar marathon is

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the activities is commonly used as a nuclear fuel

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Category: JAMB CHEMISTRY PAST QUESTIONS

200 cm3 of a gas at 25oC exerts a pressure of 700 mmHg. Calculate its pressure if its volume increase 350 cm3 at 75oC.

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Category: JAMB CHEMISTRY PAST QUESTIONS

Tin is unaffected by air at ordinary temperature due to its

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