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JAMB CHEMISTRY PAST QUESTIONS (UTME)

    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

    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

    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 following metals is the most essential in the regulation of blood volume, blood pressure and osmotic equilibrium?

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    A substance that is used as a ripening agent for fruits 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

    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

    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

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

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    Category: JAMB CHEMISTRY PAST QUESTIONS

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

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    The shape of ammonia molecules is

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    Category: JAMB CHEMISTRY PAST QUESTIONS

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

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    Diamond cannot be used

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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

    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

    A second alkanol can be oxidized to give an

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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

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

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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

    The shape of the S-orbital 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

    Which of these require crystallization most?

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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

    An isomer of C5H12 is

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    P1V1 = P2V2 supports ?

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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

    Iron is often galvanized in order to

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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

    JAMB Chemistry question image 334

    The above orbital diagram shown the electronic configuration of

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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

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

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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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    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

    The oxidation number of iodine in KIO3 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

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

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    Rare gases are suitable because they

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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 compounds CH3CH2CHO and CH3COCH3 can be distinguished from each other using

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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

    The tincture of iodine means iodine dissolved in

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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

    Which of the activities is commonly used as a nuclear fuel

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    2-methylprop-1-ene is an isomer of

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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 colour of litmus in an alkaline medium is

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    To what temperature must a gas at 273k be heated in order to double both its volume and pressure?

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    Which of these alloys contains copper?

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    Category: JAMB CHEMISTRY PAST QUESTIONS

    All these are electromagnetic waves except

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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

    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

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

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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 process that requires the use of hardwater in its operation is

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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

    Hydrogen can be displaced from a lot alkaline solution by

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    Category: JAMB CHEMISTRY PAST QUESTIONS

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

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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

    When ΔH is negative, a reaction is said to be

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