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Miracle Learning Centre Chemistry Tuition Question on Bonding . (O Level Chemistry Tuition/ IP Chemistry Tuition)

1. In the table below are some data concerning some common elements and compounds. (The letters are not the symbols for these substances)

(a) State two pieces of evidence you would use to support the suggestion that substance C is a metal. _______________________________________________________________ _____________________________________________________________ (b) Substance B is dissolved in water and substance F is dissolved in sodium hydroxide solution. When both solutions are electrolysed in separate electrolysis cells, they form dark brown solutions at the anodes. On heating, both dark brown solutions give a purple vapour. Name the element which is common to B and F. _____________________________________________________________ (c) Substance F readily changes to this purple vapour as compared to substance B when heated. Explain why. _______________________________________________________________ _____________________________________________________________ Miracle Learning Centre Answer to Chemistry Tuition Question on Bonding . (O Level Chemistry Tuition/ IP Chemistry Tuition) 1a.Good conductor of electricity in molten and solid states. High melting point. 1b.Iodine. 1c.It is covalent (molecular) and would turn into vapour easily. Learn from our Chemistry Tuition Questions and Answers. Miracle Learning Centre Call 6463 8756 or sms 8128 8342/9839 9908. (Specialist in Science and Maths) for Primary, Secondary and JC levels. Miracle Learning Centre specialises in Chemistry tuition, Physics tuition, Maths tuition and Science tuition Classes.