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JAMB Chemistry questions

443 questions with answers and explanations. Tap an option to check yourself.

AllJAMBWAEC
All topicsAcids, bases and salts · 32Air · 21Atomic structure and bonding · 33Chemical combination · 31Chemical equilibrium · 21Chemistry and industry · 18Electrolysis · 22Energy changes · 22Environmental pollution · 17Kinetic theory of matter and gas laws · 27Metals and their compounds · 24Non-metals and their compounds · 23Organic compounds · 43Oxidation and reduction · 22Rates of chemical reaction · 22Separation of mixtures and purification · 24Solubility · 20Water · 21

  1. Question 441· Water· JAMB

    Sodium reacts with cold water to produce

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    Answer: B. sodium hydroxide and hydrogen

    Explanation and discussion

  2. Question 442· Water· JAMB

    When calcium hydrogentrioxocarbonate(IV) solution is boiled, it forms

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    Answer: D. calcium trioxocarbonate(IV), water and carbon(IV) oxide

    Explanation and discussion

  3. Question 443· Water· JAMB

    Anhydrous copper(II) tetraoxosulphate(VI) is used to test for water because it

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    Answer: A. turns from white to blue

    Explanation and discussion

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