JAMB CHEMISTRY PAST QUESTIONS

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JAMB CHEMISTRY PAST QUESTIONS

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.

You can retake the exam again and again

 

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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

Which of the following statements about catalyst is false?

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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

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

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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

An element used in the production of matches is

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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 ammonia molecules is

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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 elements in the periodic table are listed in order of increasing

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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

A second alkanol can be oxidized to give an

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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 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 industrial production of H2 is removed by (solution)

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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

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

The constituent common to duralumin and alnico is

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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

Hydrogen can be displaced from a lot alkaline solution by

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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

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

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Category: JAMB CHEMISTRY PAST QUESTIONS

Tartaric acid is used industrially to

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Category: JAMB CHEMISTRY PAST QUESTIONS

An oxidation state of or in K2CrO7

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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

Which of these alloys contains copper?

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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

Flow of current in electrolytes is due to the movement of

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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 filter in the cigarette reduce the nicotine construct by

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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

The process that requires the use of hardwater in its operation is

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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

The colour of litmus in an alkaline medium 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 ionic radii of metals are usually

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Category: JAMB CHEMISTRY PAST QUESTIONS

Atomicity of ozone 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 shape of the S-orbital is

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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

In the discovery of protein, the instrument used is

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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

A substance that is used as a ripening agent for fruits is

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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

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 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

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

The compounds CH3CH2CHO and CH3COCH3 can be distinguished from each other using

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

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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

The situation obtained when a perfect gas expands into a vacuum 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

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

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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

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

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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

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 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 periodic classification is an arrangement of the elements

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