Gce Chemistry Past Questions

As a candidate who is willing to write this exams, or is about to register for exams, It is important to need help and to prepare accordingly, know how the questions are patterned in order to pass the exams with ease. Each examination needs maximum preparation and you may be wondering how you will pass the exams and keep asking what you should do to have outstanding result. Don’t worry, we have actually helped a lot of candidates succeedby giving them Gce Past Questions.

In this article, we have unveiled all you need to know about this past question and how it will benefit you in preparing for the exams.

Why you need GCE Chemistry Past Question

It will expose you to the questions that have been asked years back as most of those questions and answers get repeated every year while some will just be rephrased. So if you don’t have a copy of this past question, then you are losing out. It also provides useful information about the types of questions to expect. You will find out the number of questions you will see in the examination through the past questions.

How is GCE Chemistry Past Question Pattern

We have made it simple for you. we bring all the questions which is usually in objective format since it is now in CBT. We have put them together but we indicate the specific years for every question and the correct answers in order to save your time. All you need to do is to devote quality time to study the Past Questions.

Sample of Gce Chemistry Past Question

In other to know that we are giving out the original GCE Past Questions on Chemistry, we have decided to give you some free samples as proof of what we said earlier.

1. What condition favors the formation of the product for the endothermic reaction, N2O4(g) —><—– 2NO2(g)

A. Decrease in pressure

B. A decrease in volume

C. An increase in pressure

D. A constant volume

2. How many alkoxy alkanes can be obtained from the molecular formula C4 H4O4

A. 1

B. 2

C. 3

D. 4

3. Element Y has two isotopes Y and Y present in the ratio 1:3. The relative atomic mass of Y would be

A. 20.5

B. 21

C. 21.5

D. 22

4. 100.0g of KClO3 was added to 40.0 cm^3 of water to give a saturated solution at 298K. If the solubility of the salt is 20.0 moldm^-3 at 298K, what percentage of the salt is left undissolved? {K= 39, Cl = 35.5, O = 16}

A. 80%

B. 60%

C. 5%

D. 2%

5. Elements X and Y have electronic configuration 1S22S22P4 and 1S22S22P63S23P1 respectively. When they combine the formula of the compound formed is

A. XY

B. Y2X3

C. Y2 X3

D. Y X2

6. A solution of 0.20 mole of NaBr and 0.20 mole of MgBr2 in 2.0 dm3 of water is to be analysed. How many moles of Pb(NO3 )2 must be added to precipitate all the bromide as insoluble PbBr2

A. 0.30 mol

B. 0.10 mol

C. 0.20 mol

D. 0.40 mol

7. Na2CO3 + HCl —-> NaHCO3 + NaCl. The indicator most suitable for this reaction should have pH equal to.

A. 3

B. 5

C. 7

D. 9

8. A satuarted solution of silver trioxocarbonate (IV), was found to have concentration of 1.30 x 10-5 moldm-3 . The solubility product of the trioxocarbonate (IV) is

A. 8.79 x 10-15

B. 1.69 x 10-10

C. 1.82 x 10-11

D. 9.84 x 10-10

9. When platinum electodes are used during the electrolysis of copper (II) tetraoxosulphate (IV) solution, the solution gets progressive

A. Acidic

B. Basic

C. Neutral

D. Atmospheric