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

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

When ΔH is negative, a reaction is said to be

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An oxidation state of or in K2CrO7

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

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Which of the following metals cannot replace hydrogen from water or steam?

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Which of the following represents the kind of bonding present in ammonium chloride?

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The situation obtained when a perfect gas expands into a vacuum is

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A mixture is different from a compound because

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The ionic radii of metals are usually

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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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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

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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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

The number of isomers formed by C6H14 is

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Diamond cannot be used

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

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Cast iron is used in making

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

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Aluminium hydroxide is used in the dyeing industry as a

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

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The ideal gas laws and equations are true for all gases at

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Tin is unaffected by air at ordinary temperature due to its

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A liquid that will dissolve fat is

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Category: JAMB CHEMISTRY PAST QUESTIONS

The constituent common to duralumin and alnico is

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The arrangement of particles in crystal lattices can be studied using

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Hydrogen can be displaced from a lot alkaline solution by

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The tincture of iodine means iodine dissolved in

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Category: JAMB CHEMISTRY PAST QUESTIONS

The elements that belong to the third period of periodic table are

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What technique is suitable for separating a binary solution of potassium chloride and potassium trioxochlorate (V)?

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Flow of current in electrolytes is due to the movement of

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All these are electromagnetic waves except

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Tartaric acid is used industrially to

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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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A major source of oxide of oxygen is from the burning of

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The energy value of petrol can be determined by

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

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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

JAMB Chemistry question image 334

The above orbital diagram shown the electronic configuration of

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The number of electronic shells contained in an atom with electron configuration 1s22s22p63s23p64s2 is

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

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The oxidation number of iodine in KIO3 is

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Vulcanization involve the removal of

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In the discovery of protein, the instrument used is

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

The colour of litmus in an alkaline medium is

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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

An isomer of C5H12 is

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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

The salt formed from a weak acid and a strong base hydrolyzes in water to form

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Category: JAMB CHEMISTRY PAST QUESTIONS

Which of the following properties is not peculiar to matter?

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The periodic classification is an arrangement of the elements

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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

An element used in the production of matches is

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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 does not support the fact that air is a mixture?

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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

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Atomicity of ozone is

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Category: JAMB CHEMISTRY PAST QUESTIONS

P1V1 = P2V2 supports ?

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