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7. A light bulb connected to a circuit is placed in two different solutions. In which solution would the light bulb glow most brightly? Explain using appropriate concepts. (3 marks) H₂SO4( CH₂COOH) 8. Two identical bottles of a carbonated drink (pop) are opened. One was placed in the refrigerator overnight, while the second was left on the counter in direct sunlight. Which would become flat first? Why? (2 marks) 9. Vitamin A and Vitamin C are commonly found in vitamin supplements. Vitamin A is easily accumulated to a toxic level in fatty tissues of the body. Vitamin C is easily eliminated in urine and does not accumulate in the human body. What does this indicate about the nature of these two molecules? (2 marks)