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CIDESCO Exam Prep 2025 Questions and Answers I Biological and non-biological substances both need oxygen for their existence. II The human body consists only of biological substances. - --Correct Answer---I is correct and II is incorrect Characteristics of life include: - --Correct Answer---growth and metabolism Examples of synthetic substances are: - --Correct Answer---plastics and silicones Examples of organic biological substances are: - --Correct Answer---carbohydrates and fats Examples of mineral substances are: - --Correct Answer---paraffins and petroleum Matter is everything that: - --Correct Answer---occupies space and has weight The three forms of matter are solids, liquids and: - --Correct Answer---gases What property does all matter have? - --Correct Answer---All matter has weight Condensation is the change of matter from: - --Correct Answer---a gas to a liquid Vapourisation is the change of matter from: - --Correct Answer---liquid to a gas ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1