Chemistry-Related

Chemistry 1 Question 1 1.1 The fundamental ideas in chemistry Group 1 elements burn vigorously when heat in oxygen. (a)Complete these diagrams to denominate the electronic structures of atomic number 11 and oxygen atoms.(2 marks) (b)Write the member equality that describes the reaction between sodium and oxygen.(1 mark) (c)Write the balance compare for this reaction, including the arouse symbols.(3 marks) (d)why are the elements in group 0 neutral?(1 mark) Question 2 1.2 Limestone and building materials When hydrated lime hydratestone is alter to make cement it first reacts to produce lime (calcium oxide). (a)Write a rule book equality utilise chemic names for what happens when limestone is heated.(1 mark) (b)Write the chemical substance formula for: (i)limestone (1 mark) (ii)lime (1 mark) (c)Write a balanced comparability with state symbols for what happens when limestone is heated.(2 marks) body of water reacts with lime to form sla ked lime (calcium hydroxide). (d)Write a word equation for this reaction using chemical names.(1 mark) (e)Write a balanced equation with state symbols for this reaction.(3 marks) (f)Farmers use slaked lime for liming the soil. Why is it necessary to lime some soils?(1 mark) Question 3 1.

3 Metals and their uses Copper can be obtained from solutions of tomentum salts by electrolysis or by displacement using bite iron out. It can overly be extracted by phytomining. (a)Draw an arrow on the following responsiveness series (reactivity decreases down the list) to head where sloven should be placed.(1 mark) sodium calcium magnesium aluminium carbon zinc iron (b)Write a wo rd equation for the displacement of copper f! rom copper sulfate solution by iron.(1 mark) (c)Write a balanced equation with state symbols for this reaction.(3 marks) (d) inform why copper is produced at the interdict electrode during electrolysis. (2 marks) (e)What is phytomining?(2 marks) (f)Predict the method acting of extraction used to...If you want to earn a fully essay, order it on our website: OrderEssay.net

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