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a) Y = hydrogen gas.
X = oxygen gas
(b) Y = 2H+(aq) + 2e---------> H2(g) co
X = 4OH-
(aq) 2H2O(l) + O2(g) + 4ev1 accept convectional way. Reject
4OH-(aq) - 2e----> 2H2O(l) + O2(g).
(c) Oxygen X used in
- Welding
- Rocket fuel
- Respiration aid in hospitals/deep sea diving.
(d) No free ions for the HCl is a molecular compound does not conduct electricity
sharon kalunda answered the question on May 20, 2019 at 06:06
- The table below gives information on four elements by letters A, B, C and D. Study it
and answer the questions that follow. The letters do...(Solved)
The table below gives information on four elements by letters A, B, C and D. Study it
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(d) Which one of the elements is the strongest.
(i) Reducing agent?
(ii) Oxidising agent?
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(g) Give the chemical family to which the element.
(i) A and D belong
(ii) B belong
(iii) C belong
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Date posted: May 20, 2019. Answers (1)
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(iii) Write equations for the reactions taking place in the 2nd roasting furnace.
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(iii)...(Solved)
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(iv) Which of the group 1 elements will require the greatest amount of energy to
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