JAMB CHEMISTRY PAST QUESTIONS

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JAMB CHEMISTRY PAST QUESTIONS

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JAMB CHEMISTRY PAST QUESTIONS

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

You can retake the exam again and again

 

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Category: JAMB CHEMISTRY PAST QUESTIONS

The ionic radii of metals are usually

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Category: JAMB CHEMISTRY PAST QUESTIONS

Tin is unaffected by air at ordinary temperature due to its

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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 shape of the S-orbital 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

A mixture is different from a compound because

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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

The Sulphide which is insoluble in dilute hydrochloric acid is

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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

Iron is often galvanized in order to

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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

Which of the following statements does not show Rutherford's account of Nuclear Theory? An atom contains a region

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the noble gases has the greatest ionization energy

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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

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

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

A small quantity of solid ammonium chloride (NH4Cl) texted gently in a test tube, the solid gradually disappear produce two gases. Later, a white cloudy deposit was absence on the cooler part of the test tube. The ammonium chloride is to have undergo

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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

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of these require crystallization most?

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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

Atomicity of ozone is

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Category: JAMB CHEMISTRY PAST QUESTIONS

When salt loses its water of crystallization to the atmosphere on exposure, the process is said to be

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Category: JAMB CHEMISTRY PAST QUESTIONS

JAMB Chemistry question image 334

The above orbital diagram shown the electronic configuration of

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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

The process that occurs when two equivalent forms of a compound are in equilibrium 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

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

A gas X diffuses twice as fast as gas Y. if the relative molecular mass of X is 32, calculate the relative molecular mass of Y.

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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

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

See also  OXYGEN (O2) PROPERTIES AND USES

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Category: JAMB CHEMISTRY PAST QUESTIONS

The number of isomers formed by C6H14 is

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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

In the discovery of protein, the instrument used is

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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

According to the Kinetic Theory an increase in temperature causes the kinetic energy of particles to

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Category: JAMB CHEMISTRY PAST QUESTIONS

The process that requires the use of hardwater in its operation 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

Cast iron is used in making

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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

Which process(es) is/are involved in the turning of starch iodide paper blue-black by chlorine gas?

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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

Hydrogen can be displaced from a lot alkaline solution by

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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

There are basic particles from which matter called be made except

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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

Vulcanization involve the removal of

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Category: JAMB CHEMISTRY PAST QUESTIONS

Burning magnesium ribbon in air removes which of the following

(i) oxygen (ii) nitrogen (iii) argon and (iv) carbon(iv)oxide?

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Category: JAMB CHEMISTRY PAST QUESTIONS

The tincture of iodine means iodine dissolved in

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Category: JAMB CHEMISTRY PAST QUESTIONS

The energy value of petrol can be determined by

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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

Which of the following is an example of a chemical change?

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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 situation obtained when a perfect gas expands into a vacuum is

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the following statements about catalyst is false?

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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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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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

A second alkanol can be oxidized to give an

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the following types of alkanols undergo oxidation to produce alkanoic acids.

I. Primary alkanols
II. Secondary alkanols
III. Tertiary alkanols

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