Question

Equal length of magnesium ribbon is taken in two test tubes ‘A’ and ‘B’
H2SO4 is added to test tube ‘A’ and H2CO3 in the test tube ‘B’ in equal
amounts:
(a) Identify the test tube showing vigorous reaction.
(b) Give reason to support your answer.
(c) Name the gas liberated in both the tubes. How will you prove its
liberation?
(d) Write chemical equations for both reactions.
(e) Out of the two acids taken above
(i) which one will have lower pH value.
(ii) lower H+ concentration respectively.

Answer 1

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