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Nitrous acid (HNO2) is a weak acid that is readily oxidised to the strong acid, nitric acid (HNO3).
(2014)
Answer the questions that follow with reference to hydrocarbons A, B and C below
Consider the following reversible reaction
Study the reaction scheme below and answer the questions that follow with reference to the compounds X, Y and Z, each of which has two carbon atoms in its molecules
Define (i) mass number, (ii) relative atomic mass.
