英皇_2006_mock_chem_I_chris

英皇_2006_mock_chem_...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Prepared by Chris Tse CHEMISTRY Paper 1 Chris Tse Chris Tse z - / z - z - Sir z - z - Sir 1 by Chris Tse Chemistry Mock Examination 2006 Prepared by Chris Tse 2 by Chris Tse Section A Answer ALL questions. Write your answers in the spaces provided. 1. (a) Burning magnesium reacts with sulphur dioxide to give magnesium oxide and sulphur. (i) Write an equation for the above reaction. (ii) In terms of oxidation number, show that the above reaction is a redox reaction. (iii) Draw the electron diagram for magnesium oxide, showing the outermost shell electrons only. (b) When magnesium reacts with dilute sulphuric acid, hydrogen gas is given off. (i) Give TWO observable changes of the above reaction. (ii) Suggest a method for the collection of hydrogen gas. (iii) How can you show that the gas collected is hydrogen ? (c) The hydrogen balloons sold during festivals are not actually filled with hydrogen....
View Full Document

Page1 / 7

英皇_2006_mock_chem_...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online