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Please do not skip any step solution, and please write the solution step on one piece of paper without use type by using the computer.
Please do not skip any step solution, and please write the solution step on one piece of paper without use type by using the computer. This is because I scare I will not understand the concept. Thank you very much. Please answer all the questions. Question 1 (7 marks) (a) Identify the following as a physical change or chemical change of matter. Apple slices turn brown after being cut. Making ice-cream using liquid nitrogen Paper turns to charcoal after being burnt [3 marks) (b) Identify the following types of matters as a heterogeneous mixture, homogeneous mixture, compound or element. Drinking water Air Chlorine gas Sand [4 marks]
Please do not skip any step solution, and please write the solution step on one piece of paper without use type by using the computer. This is because I scare I will not understand the concept. Thank you very much.
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