2014
Burette readings (initial and final) must be given to two decimal places. Volume of pipette used must also be recorded but no account of experimental procedure is required. All calculations must be done in your answer bo…
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2014 WAEC SSCE Chemistry Past Questions
2014
Credit will be given for strict adherence to the instructions, for observations, precisely recorded, and for accurate inferences. All tests, observations, and inferences must be clearly entered in your answer book, in in…
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2014
Consider the following experimental set-up.(i) Identify by name: P; Q; R; S and T.(ii) State the method of collection of gas, S.(iii) What is the function of R in the experimental set-up?(iv) Write the balanced equation…
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2014
(a)(i) Define the term functional group.(ii) Name the functional groups present in the following compound:(b) Consider the following structure of an organic compound, Q. (1) Name compound Q.(ii) Write the balanced equati…
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2014
(a)(i) Explain briefly each of the following terms: I. anode; II. cathode.(ii) Sodium and aluminium are extracted by the electrolysis of molten sodium chloride and alumina respectively. Write balanced equations for the r…
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2014
(a)(i) Outline the steps involved in the purification of water for town supply.(ii) Give two cations that can cause hardness in water.(iii) State two disadvantages of hardness of water.(iv) List two sources of water poll…
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2014
(a) Define each of the following terms:(i) ion; (ii) isotopes.(b)(i) Consider the:element \(_{12}\)Mg and \(_{3}\)AlI. Write the electron configuration of each element. II. Explain briefly why the first ionization energy…
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2014
(a)(i) Define ionic bond.(ii) What type of bond (s) exist (s) in: I. magnesium oxide; II. ammonium ion?(b) Determine the oxidation number of sulphur in Na\(_2\)S\(_2\)O\(_2\).(c) State Faraday's first law.(d) Give one ex…
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2014
The crystal layers in graphite are held together by
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2014
The shape of CH4 is
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2014
The electron configuration of 26Fe3+ is
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2014
Which of the following processes is used in food preservation in an industry?
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2014
Which of the following arrangements is in decreasing order of atomic radius?
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2014
The two elements 11X and 19Y are in the same group because they have the same
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2014
Hydrogen bonds are formed between molecules containing a hydrogen atom bonded to a
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2014
How many lone pair (s) of electrons is present in HF?
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2014
NH4- is formed from NH3 and H- by
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2014
The relative atomic mass of chlorine is not a whole number because
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2014
An atom W has 17 electrons and 18 neutrons. Which of the following representations of the atom is correct?
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2014
Which of the following transition metals is not attracted to external magnetic field?
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