Applying Chemical Ideas

CHE-M8 is worth about 26 marks out of 100 in recent HSC Chemistry papers. Practise 32 exam-style questions (multiple choice, multi-part, numerical answer, short answer) with instant marking and a worked solution for every question.

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Example questions

Example 1 · 1 mark · multiple choice

A compound gives a brick-red flame. Which cation is most likely present?

A $Na^{+}$
B $Ca^{2 +}$
C $Ba^{2 +}$
D $Cu^{2 +}$

Example 2 · 1 mark · multiple choice

Silver nitrate solution is added to an unknown solution, and a white precipitate forms that dissolves in dilute ammonia. Which ion is present?

A $I^{-}$
B $Br^{-}$
C $SO_{4}^{2 -}$
D $Cl^{-}$

Example 3 · 1 mark · multiple choice

A solution may contain $Ba^{2 +}$ , $Pb^{2 +}$ or $Mg^{2 +}$ . Adding dilute HCl gives no precipitate. Adding dilute $H_{2} SO_{4}$ gives a white precipitate. Which ion is present?

A $Pb^{2 +}$
B $Mg^{2 +}$
CNone of these ions
D $Ba^{2 +}$

Answers and worked solutions appear when you practise these questions.

Applying Chemical Ideas

Example questions

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