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2018 WAEC SSCE Chemistry Practical/Regularly Repeated Questions – To make good grades that qualify you for university admission, you have to show good understanding of the following; WAEC chemistry practical question 2015 – 2017, WAEC chemistry alternative to practical past questions, chemistry practical questions and answers, WAEC 2017 chemistry practical answer, chemistry past question  in pdf,   WAEC  GCE chemistry practical 2017 ,   WAEC chemistry objective questions and answers    and GCE  chemistry practical answers 2017.

In this post are verified regularly repeated Chemistry practical questions and answers for 2018 May/June SSCE exam that holds on 3/4/2018.  Get them in your finger tips and you are sure of a high grade in this exams.

The West African Examinations Council (WAEC)  is a West African Examination Body. It conducts the West African Senior School Certificate Examination for in-house school students and General Certificate Examination for private candidates in West African Countries. These are entry qualification examinations for higher educational institutions in these countries.

In fact, no University, Polytechnic, or college of education in these countries would admit you into any of their courses without a good grade in any of these examinations. That is why over three million candidates register and take these subject exams annually.

Our goal here is to help you achieve this your life dream. Listed here are Chemistry practical qustions and answers relevant to 3/4/2018 chemistry practical.

WAEC SSCE Chemistry PRACTICAL Questions 2018

1ai)

SO2(g)

1aii)

A->To dry the gas

B->To detect the type of gas that was dried

1aiii)

A->P4O10

B->KMno4/Blue litmus paper

1bi)

-An acid that turns moist blue litmus paper red

-A colourless and poisonous gas with an irritating smell

1bII)

The irritating smell

1bii)

Downward delivery

Chlorine gas (Cl2(g))

1ci)

I-T,U,V

II-X,Y,Z

3cii)

W

1ciii)

I-U

II-V

(2a)

Inference: SO3^2- suspected

(2b)

(i) Inference: insoluble salt

(ii) Inference: SO3^2- confirmed

(iii) Inference: Cu2 suspected

Cu2 confirmed

(iv) Obseravation:

-Blue gelatineous precipitate

-Precipitate dissolves

(2c)

(i) CuSO3

(ii) Copper (ii) trioxosulphate (iv)

3a)

i) TABULATE

burette reading/cm^3 ___ 1 ____ 2 _____ 3

final reading__________ 39.5 __ 29.80 __ 19.40

initial reading ______ 19.55 __ 10.50 ___ 0.0

volume of E used _____ 19.70 ___ 19.30 __ 19.40

ii) Na2CO3(aq)^2HNO3(aq) — 2NaNO3(aq) + CO2(g) + H2O(c)

average volume of E used = 19.70+19.30+19.40/3

=19.47cm^3

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