2017
All your burette readings (initials and final), as well as the size of your pipette, must be recorded but no account of experimental procedure is required. All calculations must be done in your answer booklet.A is 0.200…
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2017 WAEC SSCE Chemistry Past Questions
2017
All your burette readings (initials and final), as well as the size of your pipette, must be recorded but no account of experimental procedure is required. All calculations must be done in your answer booklet.F is 2 mixt…
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2017
All your burette readings (initials and final), as well as the size of your pipette, must be recorded but no account of experimental procedure is required. All calculations must be done in your answer booklet.State what…
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2017
(a)(i) Describe briefly how trioxonitrate (V) ions could be tested for in the laboratory.(ii) State two uses of each of the following compounds: I. sodium chloride; II. sodium trioxocarbonate (IV).(b) Write balanced equa…
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2017
(a)(i) Describe briefly the industrial preparation of ammonia.(ii) Write a balanced equation for the reaction in (a)(i).(iii) State one way of increasing the yield of ammonia in 4(a)(i).(iv) State two uses of ammonia.(b)…
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2017
(a) Write the molecular formula of X.(i) What type of reaction is represented by the equation?(ii) Consider the following reaction equation: C\(_{12}H_2\) \(\to\) X + C\(_8\)H\(_{18}\)(iii) Draw the structure of two isom…
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2017
(a)(i) 1. State the periodic law.2. What is meant by the term periodic property of elements?(ii) List three properties of an element which show periodicity.(iii) Explain briefly how each of the properties listed in (a)(i…
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2017
(a)(i) What is an acid-base indicator?(ii) Give one example of an acid-base indicator.(b) State the property exhibited by nitrogen(IV) oxide in each of the following equations:,(i) 4Cu + 2NO\(_2\) -> 4CuO + N\(_2\) (i…
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2017
Petroleum is a non-renewable source of energy because it
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2017
A primary alkanol has a molecular mass of 60. What is the structural formula of the compound? [C= 12.0, H= 1.0, O= 16.0)
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2017
The real harmful effect of the release of chlorofluorocarbons into the atmosphere is that it eventually causes
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2017
The IUPAC name for the compound \(ClCH_{2}CH_{2}OH\) is
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2017
The condensation of two units of glucose will produce a dissacharide with the formula \(C_{12}H_{22}O_{11}\) which is
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2017
Fats and oils can be obtained from any of the following sources except
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2017
Which of the following pairs of gases are pollutants from car exhaust?
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2017
The name of the compound \(C_{4}H_{9}COOC_{3}H_{7}\) is
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2017
Classification of alkanols is based on the
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2017
Calculate the mass of copper deposited if a current of 0.45A flows through \(CuSO_{4}\) solution for 1hour 15mins. [Cu=64.0, S= 32.0, O =16.0, 1F= 96500C]
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2017
Which of the following factors characterize members of the same homologous series?
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2017
Consider the following reaction equation: \(2NO_{(g)} + O_{{2}{(g)}} \to 2NO_{{2}{(g)}}\). What is the change in the oxidation number of nitrogen?
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