JAMB CHEMISTRY PAST QUESTIONS (UTME)

Practice the JAMB CHEMISTRY PAST QUESTIONS (UTME). Our experts in this exam provide correct answers.

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JAMB CHEMISTRY PAST QUESTIONS

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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

Which of the following statements about catalyst is false?

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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

The energy value of petrol can be determined by

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A suitable reagent for distinguish between ethanoic and ethanol is

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Category: JAMB CHEMISTRY PAST QUESTIONS

Cast iron is used in making

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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

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

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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

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

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

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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

An elements used in production of matches is

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Category: JAMB CHEMISTRY PAST QUESTIONS

Diamond cannot be used

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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

Aluminium hydroxide is used in the dyeing industry as a

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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

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

Vulcanization involve the removal of

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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

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

The oxidation number of iodine in KIO3 is

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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

The number of isomers formed by C6H14 is

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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 noble gases has the greatest ionization energy

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Category: JAMB CHEMISTRY PAST QUESTIONS

In electrovalency, the oxidation number of the participating metal is always

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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

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

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

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

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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

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

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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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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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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

The shape of the S-orbital is

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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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

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

Calculate the amount in moles of silver deposited when 9650C of electricty is passed through a solution of silver salt [= 96500 Cmol-1]

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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

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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

Which of the following metals burns with brick red

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Category: JAMB CHEMISTRY PAST QUESTIONS

The leachate of a certain ash is used in local soap because it contain

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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

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

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

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

When large hydrocarbon molecules are heated at high temperature in the presence of a catalyst to give smaller molecules, the process is known as

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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

Atomicity of ozone is

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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

A mixture is different from a compound because

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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

Which of these alloys contains copper?

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Category: JAMB CHEMISTRY PAST QUESTIONS

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

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