Chemistry-Related

Chemistry 1 brain 1 1.1 The ingrained ideas in chemistry Group 1 elements burn vigorously when heat up in oxygen. (a)Complete these diagrams to denominate the electronic structures of sodium and oxygen atoms.(2 marks) (b)Write the contrive equality that describes the reaction amongst sodium and oxygen.(1 mark) (c)Write the balanced equal for this reaction, including the arouse symbols.(3 marks) (d)Why are the elements in group 0 inert?(1 mark) Question 2 1.2 Limestone and building materials When furnish spread out hydratestone is heated to take cement it first reacts to modernize linden (calcium oxide). (a)Write a enunciate equality utilise chemical substance names for what happens when limestone is heated.(1 mark) (b)Write the chemical legislation for: (i)limestone (1 mark) (ii)lime (1 mark) (c)Write a balanced equating with put forward symbols for what happens when limestone is heated.(2 marks) Water reacts with lime to form quench lime (calcium hydroxide). (d)Write a word equality for this reaction using chemical names.(1 mark) (e)Write a balanced equivalence with state symbols for this reaction.(3 marks) (f)Farmers use slaked lime for liming the soil. Why is it incumbent 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 fracture using bite iron. It can as well be extracted by phytomining. (a)Draw an pointer on the following responsiveness series (reactivity decreases down the list) to lead where crap should be placed.(1 mark) sodium calcium magnesium aluminium carbon zinc iron (b)Write a word equation for the displacement of copper from copper sulphate 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 negative electrode during electrolysis. (2 marks) (e)What is phytomining?(2 marks) (f)Predict the mode acting of extraction utilise to...If you want to get a fully essay, order it on our website: Ordercustompaper.com

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