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1. Answer the following questions in 10-20 words:
a) List any two properties of materials that describe their appearance.
b) Define transparency.
(2 marks)
2. Choose
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a. Physical properties can be observed or measured without changing the composition of matter. Physical properties are used to observe and describe matter. Physical properties include: appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many others.
b. 1 : the quality or state of being transparent. 2 : something transparent especially : a picture (as on film) viewed by light shining through it or by projection.
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