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Directions: Read each statement carefully. Choose the letter of the correct answer. Write your answer on the space provided. 1. Which of the following building materials is organic? A Cement B. Floor tiles C. Iron grills D. Wood 2. Which of the following best explains why it is prohibited to smoke ncar the gasoline stations. A. The smoke can cause illness to the employee. B. Gasoline evaporates easily in hot temperature, C. It can ignite gasoline vapor and cause the gas can to explode. D. All of the above 3. Ana accidentally fell while playing and had a scratch in her knees. What will she apply to make her wounds free from bacteria? A. Accrone B. Formalin C. Isopropyl alcohol D. Water 4. Which are TRUE about organic compounds? Lorganic compounds can be produced artificially II. organic compounds can be produced by living organisms III. organic compounds contain calcium IV. organic compounds contain carbon A. I, II and III only C. II and III only B. I and III only D. II, III and IV only 5. Why do we need to know the different properties of common organic materials found at home? A. To identify their uscs. B. To know possible danger from these kinds of material. C. To know how these organic materials affect people and other organisms. D. All of the above
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