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VICChemistryQuick questions
Unit 2: How do chemical reactions shape the natural world?
Quick questions on Reactions of acids with metals, oxides, hydroxides and carbonates: VCE Chemistry Unit 2
7short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is acid + metal?Show answer
A metal above hydrogen in the activity series reacts with a dilute acid to give a salt and hydrogen gas:
What is acid + metal oxide?Show answer
A metal oxide is a basic oxide. Adding it to an acid gives a salt and water:
What is acid + metal hydroxide?Show answer
A metal hydroxide is a base. Adding it to an acid gives a salt and water:
What are observations?Show answer
bubbles of hydrogen gas; the metal is consumed; the solution gets warmer (exothermic); test for with a glowing splint (it pops).
What is q1?Show answer
Write balanced equations for: (a) magnesium with dilute hydrochloric acid; (b) sodium carbonate with sulfuric acid. State one observation for each. [4 marks]
What is q2?Show answer
A volume of sulfuric acid is neutralised by sodium hydroxide solution. Calculate the mass of required. [3 marks]
What is q3?Show answer
Consider an antacid tablet containing of . (a) Write the equation with stomach . (b) Calculate the moles of acid neutralised.
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